HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Exercise 2.2 Multiplying and Dividing Integers

Go Math! Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Multiplying and Dividing Integers

HMH Grade 7 Practice Fluency Workbook Chapter 2 Exercise 2.2 Solutions Page 10 Problem 1 Answer

In the question, it is given the expression which is −38÷2

It is required to find out the quotient of the given expression.

To solve this question divide 2 by −38.

−38÷2 is the given expression.

−38÷(−2)=38÷2=19

​(Divide the absolute values of the two numbers; the sign of the quotient is a plus because the numbers that are going to divide have the same sign)

The quotient of the given expression is 19.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 2 Answer

In the question, it is given the expression which is −28÷7.

It is required to find out the quotient of the given expression.

To solve this question divide 7 by −28.

−28÷7 is the given expression.

​−28÷7=−(28÷7)=−4

​(Divide the absolute values of the two numbers; the sign of the quotient is minus because the numbers that are going to divide have different signs)

The quotient of the given expression is −4.

Read and Learn More HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Solutions

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 3 Answer

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Exercise 2.2 Multiplying and Dividing Integers

​(Divide the absolute values of the two numbers; the sign of the quotient is a plus because the numbers that are going to divide have the same sign)

The quotient of the given expression is 11.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 4 Answer

It is given−35÷4.

It is required to find the quotient of −35÷4.

To find the quotient of −35÷4, it is necessary to solve the given expression.

Perform the division on expression −35÷4.

Divide the numerical values of the two numbers.

−35÷4=−(35÷4)

The sign of the quotient will be minus because the given numbers have different signs .

Hence, the quotient is −(35÷4)=−8.75.

The quotient of −35÷4 is−8.75.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 5 Answer

It is given (−6−4)÷2.

It is required to simplify the given expression (−6−4)÷2.

To simplify the given expression (−6−4)÷2, it is necessary to break the parentheses.

Perform the subtraction inside the parentheses.

(−6−4)÷2=−10÷2

Now, perform the division on expression−10÷2.

Divide the absolute values of the two numbers.

−10÷2=−(10÷2)

The sign of the quotient will be minus because the given numbers have different signs.

Hence, the quotient is−(10÷2)=−5.

The expression (−6−4)÷2 can be simplified into −5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 6 Answer

It is given 5(−8)÷4.

It is required to simplify the given expression 5(−8)÷4.

To simplify the given expression 5(−8)÷4, it is necessary to perform the multiplication.

Perform the multiplication on expression5(−8)÷4.

Multiply the numerical values of the two numbers.

5(−8)÷4=−(5⋅8)÷4

It is known that the sign of the product will be minus because the given numbers have different signs.

Hence, the product will be −(5⋅8)÷4=−40÷4.

Again, perform the division on expression −40÷4.

Divide the numerical values of the two numbers.

−40÷4=−(40÷4)

The sign of the quotient will be minus because the given numbers have different signs.

Hence, the quotient is −(40÷4)=−10.

The expression 5(−8)÷4 can be simplified into−10.

Multiplying And Dividing Integers Exercise 2.2 Chapter 2 Answers Hmh Grade 7 Workbook Page 10 Problem 7 Answer

It is given a phrase- thirty-two divided by the opposite of 4.

It is required to write a mathematical expression for the given phrase.

To write a mathematical expression for the given phrase, it is necessary to understand the keywords in the phrase.

Here, the opposite of 4 implies the negative integer −4.

Also, thirty-two is divided by the opposite of 4. It implies 32÷(−4).

The mathematical expression for the given phrase- thirty-two divided by the opposite of 4 is 32÷(−4).

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 8 Answer

It is given a phrase- the quotient of the opposite of 30 and 6, plus the opposite of 8.

It is required to write a mathematical expression for the given phrase.

To write a mathematical expression for the given phrase, it is necessary to understand the keywords in the phrase.

Here, the opposite of 30  implies the negative integer −30.

The quotient of the opposite of 30 and 6 can be obtained by dividing −30 and 6. It is written as (−30)÷6.

Also, the opposite of 8 is −8.

Now, the quotient of the opposite of 30 and 6, plus the opposite of 8 implies the addition of (−30)÷6 and −8.

It is written as(−30)÷6+(−8).

Hence, the required mathematical expression is (−30)÷6+(−8).

The mathematical expression for the given phrase- the quotient of the opposite of 30 and 6, plus the opposite of 8 is (−30)÷6+(−8).

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 9 Answer

It is given a phrase- the quotient of 12 and the opposite of 3 plus the product of the opposite of 14 and 4.

It is required to write a mathematical expression for the given phrase.

To write a mathematical expression for the given phrase, it is necessary to understand the keywords in the phrase.

Here, the opposite of 3 implies the negative integer −3.

The quotient of 12 and the opposite of 3 indicates the division of 12 and −3. It is written as 12÷(−3).

Also, the opposite of 14 implies the negative integer −14.

The product of 14 and the opposite of 4 indicates the multiplication of −14 and 4. It is written as (−14)⋅4.

Now, the quotient of 12 and the opposite of 3 plus the product of the opposite of [14] and 4 implies the addition of 12÷(−3) and (−14)⋅4.

The required mathematical expression is 12÷(−3)+(−14)⋅4

The mathematical expression for the given phrase- the quotient of 12 and the opposite of 3 plus the product of the opposite of 14 and 4 is 12÷(−3)+(−14)⋅4.

Step-By-Step Solutions For Exercise 2.2 Multiplying And Dividing Integers HMH Grade 7 Practice Workbook Page 10 Problem 10 Answer

It is given that an athletic department of a school bought 40 soccer uniforms at a cost of $3000 and they returned some of the uniforms for which they only received $40 per uniform.

It is required to find out the difference between the amount the school paid for each uniform and the amount they got for each return.

To find out the difference between the amount the school paid for each uniform and the amount they got for each return, it is necessary to obtain the amount the school paid for each uniform using division operation.

If the school bought 40 soccer uniforms at a cost of$3000, then the amount the school paid for each uniform will be$3000÷40=$75.

Thus, the amount the school paid for each uniform is $75.

Also, it is given that the school received $40 per uniform for each return.

Hence, the difference between the amount the school paid for each uniform and the amount they got for each return will be $75−$40=$35.

The difference between the amount the school paid for each uniform and the amount they got for each return is$35.

Exercise 2.2 Multiplying And Dividing Integers Solutions For HMH Middle School Grade 7 Workbook Page 10 Problem 11 Answer

It is given that the savings account of a commuter has $245 and it changes by−$15 each week when he buys a ticket.

The account changed by−$240 in one time period.

It is required to find the number of weeks the commuter buys tickets.

To find the number of weeks the commuter buys tickets, it is necessary to form a mathematical expression modeling the given situation.

If the commuter’s account changed by −$240 in one time period and it changes by  −$15 each week, then the number of weeks the commuter buys tickets is given by −240÷(−15).

Solve the expression−240÷(−15).

Divide the values −240and −15. The quotient will be positive since both the integers are negative.

240÷15=16

Hence, the required number of weeks is 16.

The number of weeks the commuter buys tickets is 16.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 12 Answer

It is given that the savings account of a commuter has $245 and it changes by −$15 each week when he buys a ticket. The account changed by−$240 in one time period.

It is required to find the amount he must add to his account if he wants to have 20 weeks worth of tickets in his account.

To find the amount he must add to his account if he wants to have 20 weeks worth of tickets in his account, it is necessary to form a mathematical expression modeling the given situation.

If he spends $15 when he buys a ticket each week, then the number of tickets to buy for 20 weeks will be 20×15.

If the commuter has $245 in his account, then the amount he must add to his account if he wants to have 20 weeks worth of tickets will be 20×15−245.

Solve the expression 20×15−245.

20×15−245=300−245

On calculating,300−245=55

Hence, the required amount is $55.

The amount he must add to his account if he wants to have 20 weeks worth of tickets in his account is $55.

Examples Of Problems From Exercise 2.2 Multiplying And Dividing Integers In HMH Grade 7 Workbook Page 10 Problem 13 Answer

It is given the expression −39/3.

It is required to find in which direction an arrow that represents the dividend point, dividend, sign of divisor and sign of quotient.

To find in which direction an arrow represents the dividend point, draw the number line and draw an arrow to the left from 0 to the value of the dividend,−39.

To find the dividend, see the number which is going to be divided.

To find the sign of the divisor see the sign of divisor given in the question.

To find the sign of quotient see the sign of divisor and dividend.

Drawing the number line and drawing an arrow to the right from 0 to the value of dividend, −39.

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 2 Multiplying and Dividing Integers 13

Here, dividend =−39.

Sign of divisor is negative.

Since the sign of dividend and divisor are different, so the sign of quotient is negative.

So, in the left hand side the direction of the arrow represents the dividend point, dividend =−39.

Sign of divisor is equal to negative and sign of quotient is negative.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Exercise 2.1 Multiplying and Dividing Integers

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Multiplying and Dividing Integers

Page 9 Problem 1 Answer

In this question it is given that the expression is 4(−20).

It is required to calculate the product of the given expression.

The product is in the form (+a)(−b)=−ab

Hence, 4(−20)=−80.

The product is 4(−20)=−80.

HMH Grade 7 Practice Fluency Workbook Chapter 2 Exercise 2.1 Solutions Page 9 Problem 2 Answer

In this question it is given that the expression is −6(12).

It is required to calculate the product of the given expression.

The product is in the form (−a)(+b)=−ab

Hence−6(12)=−72.

The product is −6(12)=−72.

Read and Learn More HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Solutions

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 3 Answer

In this question it is given that the expression is13(−3).

It is required to calculate the product of the given expression.

The product is in the form (+a)(−b)=−ab

Hence 13(−3)=−39.

The product is 13(−3)=−39.

Multiplying And Dividing Integers Exercise 2.1 Chapter 2 Answers HMH Grade 7 Workbook Page 9 Problem 4 Answer

In this question it is given that the expression is −10(0).

It is required to calculate the product of the given expression.

The product is in the form (−a)(+b)=−ab

Hence−10(0)=0.

The product is −10(0)=0

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 5 Answer

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Exercise 2.1 Multiplying and Dividing Integers

Step-By-Step Solutions For Exercise 2.1 Multiplying And Dividing Integers HMH Grade 7 Practice Workbook” Page 9 Problem 6 Answer

In this question, it is given that the expression is −9(−21).

It is required to calculate the product of the given expression.

The product is in the form (−a)(−b)=+ab

Hence −9(−21)=189.

The product is −9(−21)=189.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 7 Answer

In this question it is given that the expression is18(−4).

It is required to calculate the product of the given expression.

The product is in the form(+a)(−b)=−ab

Hence 18(−4)=−72.

The product is 18(−4)=−72.

Exercise 2.1 Multiplying And Dividing Integers Solutions For HMH Middle School Grade 7 Workbook Page 9 Problem 8 Answer

In this question , it is given the product10(8).

It is required to evaluate each product.

To solve this , Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign.

The given expression is 10(8)

Performing the multiplication.

Multiplying the absolute values of the two numbers.

The sign of the result is because the numbers which are getting multiplied is of same sign.

​10(8)=10⋅8

10(8)=80

​The value of 10(8)  is 80.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 9 Answer

In this question , it is given the product9(−6).

It is required to evaluate each product.

To solve this , Perform the multiplication.

Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign.

The given expression is 9(−6)

Performing the multiplication.

Multiplying the absolute values of the two numbers.

The sign of the result is −because the numbers which are getting multiplied is of different sign.

​9(−6)=9⋅−6

9(−6)=−54

​The value of 9(−6) is −54.

Examples Of Problems From Exercise 2.1 Multiplying And Dividing Integers In HMH Grade 7 Workbook Page 9 Problem 10 Answer

In this question, it is given the product −7(−7).

It is required to evaluate each product.

To solve this, Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is the same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign.

The given expression is−7(−7)

Performing the multiplication.

Multiplying the absolute values of the two numbers.

The sign of the result is because the numbers that are getting multiplied is of the same sign.

​−7(−7)=−7⋅−7

−7(−7)=49

​The value of −7(−7) is 49.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 11 Answer

In this question, it is given that you play a game where you score −6 for the first turn and on each of the next 3 turns.

It is required to tell what will be the score after those 4 turns.

To solve this, write a mathematical expression to represent the score after 4 turns.

This will be the product of −6 and 4. Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is the same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign.

It is given that you play a game where you score −6 for the first turn and on each of the next 3 turns.

That means −6 was scored 4 times.

The total will be 4 times of −6.

This will be the product of −6 and 4.,Perform the multiplication.

−6⋅4=−24

The sign will be − because the numbers being multiplied are of different signs.

The total score after 4 turns is −24.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 12 Answer

In this question it is given that the outdoor temperature declines 3 degrees each hour for 5 hours.

It is required to find the change in temperature at the end of those 5 hours.

To solve this, write a mathematical expression to represent the change in temperature at the end of those 5 hours.

This will be the product of −3 and 5. Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign.

It is given that the outdoor temperature declines 3 degrees each hour for 5 hours.

That means the temperature declined −3 degrees 5 times.

This will be the product of −3 and 5.

Perform the multiplication.

−3⋅5=−15

The sign will be − because the numbers being multiplied are of different signs.

The change in temperature at the end of those 5 hours is 15∘.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 13 Answer

In this question it is given you have dollar 200 in a savings account. Each week for 8 weeks, you take out dollar 18 for spending money.

It is required to find how much money will be there in the account at the end of 8 weeks.

To solve this, write a mathematical expression to represent the money that will be there in the account at the end of 8 weeks.

The total money spend from the account will be the product of 18 and 8.

Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign.

Subtract this amount from the total money in the account to get the amount of money left in account at the end of 8 weeks.

Write a mathematical expression to represent the money that  will be there in the account at the end of 8 weeks.

The total money spend from the account will be the product of 18 and 8.

Subtract this amount from the total money in the account to get the amount of money left in account at the end of 8 weeks.

200−8(18)

The sign will be − because the numbers being multiplied are of different signs.

200−144=56

Therefore , there will be 56 dollars in the account at the end of 8 weeks.

There will be 56 dollars in the account at the end of 8 weeks.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 14 Answer

In this question it is given that the outdoor temperature was 8 degrees at midnight.

the temperature declined 5 degrees during each of the next 3 hours.

It is required to find the temperature at 3 a.m.

To solve this, write a mathematical expression to represent the temperature at 3 a.m.

This will be the product of 3 and 5. Perform the multiplication.

Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be −.

Write the evaluated number with the appropriate sign. Subtract this number from 8 to get the temperature at 3 a.m.

It is given that the outdoor temperature was 8 degrees at midnight . The temperature declined 5 degrees during each of the next 3 hours.

Write a mathematical expression to represent the temperature at 3 a.m.

8−3(5)

Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be −.8−15=−7

The temperature at 3 a.m. is −7∘.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 9 Problem 15 Answer

In this question it is given that the price of the stock was 325 a share. The price of the stock went down 25 each week for 6 weeks.

It is required to find the price of the stock at the end of  6 weeks.

To solve this, write a mathematical expression to represent the price of the stock at the end of  6 weeks.

The price decreased of the stock will be the product of 25 and 6 weeks. Subtract this value from the original value of stock to find the price of the stock at the end of  6 weeks.

It is given that the price of the stock was 325 a share.

The price of the stock went down 25 each week for 6 weeks.

write a mathematical expression to represent the price of the stock at the end of  6 weeks.

The price decreased of the stock will be the product of 25 and 6 weeks.

Subtract this value from the original value of stock to find the price of the stock at the end of  6weeks.

Perform the multiplication. Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be +otherwise it will be −.

​325−6(25)=325−150

325−6(25)=175

Therefore, the price of the stock at the end of  6 weeks is 175.

The price of the stock at the end of  6 weeks is 175.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 16 Answer

In this question , it is given the product 1(−2).

It is required to evaluate each product.

To solve this , Perform the multiplication.

Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be + otherwise it will be−.

Write the evaluated number with the appropriate sign.

The given expression is 1(−2)

Performing the multiplication.

Multiplying the absolute values of the two numbers.

The sign of the result is −because the numbers which are getting multiplied are of different sign.

​1(−2)=1⋅−2

1(−2)=−2

​The value of 1(−2) is −2.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 17 Answer

In this question, it is given the product −6(−3).

It is required to evaluate each product.

To solve this , Perform the multiplication.

Multiply the absolute values of the two numbers.

If the sign of the two numbers being multiplied is same, then the sign of the result will be+ otherwise it will be −.

Write the evaluated number with the appropriate sign.

The given expression is−6(−3)

Performing the multiplication.

Multiplying the absolute values of the two numbers.

The sign of the result is+because the numbers which are getting multiplied is of same sign.

​−6(−3)=−6⋅−3

−6(−3)=18

​The value of −6(−3) is 18.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 18 Answer

In the question, the expression is given which is (5)(−1).

It is required to find out the product of the given expression.

To solve the question multiply the (5) by (−1).

(5)(−1) is the given expression.

​(5)(−1)=−(5.1) =−5

(Multiply the absolute values of the two numbers, the sign of the product is minus

Because the numbers that are going to multiply have different signs)

The product of the given expression is −5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 19 Answer

In the question, the expression is given which is (−9)(−6).

It is required to find out the product of the given expression.

To solve the question, multiply the (−9) by (−6).

(−9)(−6) is the given expression.

​(−9)(−6)=9.6​

(−9)(−6)=9.6

​(Multiply the absolute values of the two numbers; the sign of the product =54

​The product of the given expression is  54.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 20 Answer

In the question, the expression is given which is 11(4).

It is required to find out the product of the given expression.

To solve the question, multiply the 11 by (4).

In the question, the expression is given which is 11(4).

It is required to find out the product of the given expression.

To solve the question, multiply the 11 by (4).

The product of the given expression is 44.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 21 Answer

In the question, it is given a situation that you are playing a game and start from 0. Then, score −8 points on each 4 turns.

It is required to write a mathematical expression to represent the situation and then find the score after those 4 turns.

To solve the question understand the situation and then write the mathematical expression.

Let 4(−8) be the mathematical expression to represent the score after 4 turns.

​4(−8)=−(4.8)

​4(−8) =−32

​(Multiply the absolute values of the two numbers; the sign of the product is minus because the numbers that are going to multiply have different signs)

The score after  4 turns is −32 points.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 2 Page 10 Problem 22 Answer

In the question, it is given that a mountaineer descends a mountain for 5 hours. On average, she climbs down 500 feet each hour.

It is required to write a mathematical expression to represent the situation and find what is her change in elevation after 5 hours.

To solve the question, understand the situation and then write the mathematical expression.

Let 5(−500) be the mathematical expression to represent the change of elevation after 5 hours.

​​5(−500)=−(5.500)

​​5(−500) =−2500

​ (Multiply the absolute values of the two numbers; the sign of the product is minus because the numbers that are going to multiply have different signs)

The change of elevation after 5 hours is −2500 feet.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.4 Adding and Subtracting Integers

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Adding and Subtracting Integers

HMH Grade 7 Practice Fluency Workbook Chapter 1 Exercise 1.4 Solutions Page 7 Problem 1 Answer

It is given that Owen starts with the bait 2 feet below the surface of the water and reels out the bait 19 feet, then reels it back in 7 feet.

It is required to find the final position of the bait relative to the surface of the water.

To do so write an expression to represent the situation and find the absolute value for the first two numbers and then subtract the smaller absolute value from the higher absolute value and the result will take the sign of the higher absolute value.

Repeat the process for the result obtained and the third number.

As a result, the final position of the bait relative to the surface of the water can be determined.

Represent the situation as an expression and find the absolute value for the first two numbers.

The expression can be represented as −2+19−7.

Read and Learn More HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Solutions

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.4 Adding and Subtracting Integers

The final position of the bait is 10 feet above the water.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 2 Answer

It is given that Rita earned 45 points on a test, lost 8 points, earned 53 points, and then lost 6 points.

It is required to find Rita’s final score on the test.

To do so write an expression to represent the situation and find the absolute value for the first two numbers and then subtract the smaller absolute value from the higher absolute value and the result will take the sign of the higher absolute value.

Repeat the process for the result obtained and the third number.

Again repeat the process for the result obtained and the fourth number.

As a result, Rita’s final score on the test can be determined.

Represent the situation as an expression and find the absolute value for the first two numbers.

The expression for the given situation can be represented as 45−8+53−6.

The absolute values 45+(−8) are,∣45∣=45 and,∣−8∣=8

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

45−8=37

Therefore the expression 45+(−8) becomes, 45−8=37

Find the absolute values for the numbers in 37+53  and add their absolute values and result takes the sign of the higher absolute values.

∣37∣=37 and,∣53∣=53

Add the absolute values and the answer takes the sign of the higher absolute value.

37+53=90

Find the absolute values for the numbers in 90−6.

The absolute values 90+(−6) are,∣90∣=90 and,∣−6∣=6

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

90−6=84

The expression 90+(−6) becomes,90−6=84

The value of the expression45−8+53−6 is 84.

Rita’s final score on the test is 84.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 3 Answer

Given the expression −7+12+15.

It is required to find the value of the expression.

To do so, find the absolute value for the first two numbers and then subtract the smaller absolute value from the higher absolute value and the result will take the sign of the higher absolute value.

Repeat the process for the result obtained and the third number in the expression.

As a result the value of the expression can be determined.

Find the absolute value for the first two numbers in the expression.

The absolute values are,∣−7∣=7 and,∣12∣=12

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

12−7=5

Therefore the expression −7+12 becomes, −7+12=5

Find the absolute values for the numbers 5 and 15,∣5∣=5 and,∣15∣=15

Add these absolute values and the answer takes the sign of the higher absolute value.

15+5=20

The value of the of the expression is 20.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 4 Answer

Given the expression −5−9−13.

It is required to find the value of the expression.

To do so, find the absolute value for the first two numbers and then add the absolute values of the numbers and the answer takes the same sign as the numbers.

Repeat the process for the result obtained and the third number in the expression.

As a result the value of the expression can be determined.

Find the absolute value for the first two numbers in the expression.

The absolute values of −5+(−9) are,∣−5∣=5 and,∣−9∣=9.

Add these absolute values and the result takes same sign as the numbers.

5+9=14

The expression −5+(−9) becomes,−5−9=−14

Find the absolute values for the numbers in the expression −14−13.

The absolute values for −14+(−13) are,∣−14∣=14 and,∣−13∣=13.

Add these absolute values and answer takes the same sign as the numbers.

14+13=27

The expression −14+(−13) becomes,−14−13=−27

The value of the expression is −27.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 5 Answer

The given expression is −21−17+25+65.

It is required to find the value of the given expression.

To find the value of the given expression, first combine the terms with same sign.

Then add the terms in the parenthesis. Transfer the subtraction into addition by changing the sign of the first number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Combine the terms with same sign.

Then add the terms in the parenthesis.

​−21−17+25+65=−(21+17)+25+65

−21−17+25+65=−38+90

​Transfer the subtraction into addition by changing the sign of the first number and determine the absolute values of both numbers.

−21−17+25+65=(−38)+90

∣−38∣=38 and ∣90∣=90

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 90>38.

90−38=52

The larger number 90 has positive sign and therefore,

​(−38)+90=52

−21−17+25+65=52

​The value of the given expression is 52.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 6 Answer

The given expression is 12+19+5−2.

It is required to find the value of the given expression.

To find the value of the given expression, first, combine the terms with same sign.

Then add the terms in the parenthesis.

Transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Combine the terms with same sign. Then add the terms in the parenthesis.

​12+19+5−2=(12+19+5)−2

12+19+5−2=36−2

​Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

12+19+5−2=36+(−2)

∣36∣=36 and ∣−2∣=2

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 36>2.

36−2=34

The larger number 36 has positive sign and therefore,

​36+(−2)=34

12+19+5−2=34

​The value of the given expression is 34.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 7 Answer

The given expression is 31−4+6 ◯ −17+22−5.

It is required to compare the expressions and write <,> or =.

To find the result, solve the expressions on both the sides.

First, combine the terms with same sign.

Then add the terms in the parenthesis.

Transfer the subtraction into addition by changing the sign of the first number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Combine the terms with same sign. Then add the terms in the parenthesis.

31−4+6 ◯ −17+22−5

(31+6)−4 ◯ −(17+5)+22

37−4 ◯ −22+22​

Transfer the subtraction into addition by changing the sign of the first number and determine the absolute values of both numbers in the left hand side.

37+(−4) ◯ (−22)+22

∣37∣=37 and ∣−4∣=4

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 37>4.

37−4=33

The larger number 37 has positive sign and therefore,37+(−4)=33 (1)

Transfer the subtraction into addition by changing the sign of the first number and determine the absolute values of both numbers in the right hand side.

37+(−4) ◯ (−22)+22

∣−22∣=22 and ∣22∣=22

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 22=22.

22−22=0

(−22)+22=0 (2)

From (1) and (2),33>0

The given expression can be written as 31−4+6>−17+22−5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 7 Problem 8 Answer

It is given that Anna and Maya are competing in a dance tournament where a dancer earns points if a dance move is done correctly and losses points if dance move is done incorrectly.

It is also given that Anna currently has 225 points.

It is also given that before the dance routine ends Anna earns 75 points and losses 30 points.

It is required to find Anna’s final score.

To find Anna’s final score, add the points earned and subtract the points loosed from her current score.

First, combine the terms with same sign. Then add the terms in the parenthesis.

Transfer the subtraction into addition by changing the sign of the first number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Add the points earned and subtract the points loosed from Anna’s current score.

P=225+75−30

Combine the terms with same sign. Then add the terms in the parenthesis.

P=(225+75)−30

P=300−30​

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

P=300+(−30)

∣300∣=300 and ∣−30∣=30

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 30>300.

300−30=270

The larger number 300 has positive sign and therefore,

​300+(−30)=270

P=270

​Anna’s final score is 270.

Adding And Subtracting Integers Exercise 1.4 Chapter 1 Answers HMH Grade 7 Workbook Page 7 Problem 9 Answer

It is given that Anna and Maya are competing in a dance tournament where a dancer earns points if a dance move is done correctly and losses points if dance move is done incorrectly.

It is also given that Anna currently has 225 points.

It is also given that before the dance routine ends Anna earns 75 points and losses 30 points.

It is also given that Maya’s final score is 298.

It is required to find which dancer has greatest final score.

To find Anna’s final score, add the points earned and subtract the points loosed from her current score.

First, combine the terms with same sign.

Then add the terms in the parenthesis.

Transfer the subtraction into addition by changing the sign of the first number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Then compare it with Maya’s final score.

Add the points earned and subtract the points loosed from Anna’s current score.

P=225+75−30

Combine the terms with same sign.

Then add the terms in the parenthesis.

​P=(225+75)−30

P=300−30

​Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

P=300+(−30)

∣300∣=300 and ∣−30∣=30

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 30>300.

300−30=270

The larger number 300 has positive sign and therefore,

​300+(−30)=270

P=270

​Therefore, Anna’s final score is 270 which less than Maya’s final score 298.

Maya has greatest final score.

Step-By-Step Solutions For Exercise 1.4 Adding And Subtracting Integers HMH Grade 7 Practice Workbook Page 8 Problem 10 Answer

The given expression is 10−19+5.

It is required to regroup the integers in the given expression.

To do so, regroup the expression and keep the integers of same sign together.

10−19+5=(10+5)−19

The given expression can be regrouped as (10+5)−19.

Page 8 Problem 11 Answer

The given expression is 10−19+5.

It is required to add and subtract the integers in the given expression.

To do so, regroup the integers of same sign.

First, add the terms in the parenthesis.

Transfer the subtraction into addition by changing the sign of the first number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Combine the terms with same sign. Then add the terms in the parenthesis.

​10−19+5=(10+5)−19

10−19+5=15−19

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

10−19+5=15+(−19)

∣15∣=15 and ∣−19∣=19

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here,19>15.

19−15=4

The larger number 19 has negative sign and therefore,

​15+(−19)=−4

10−19+5=−4

​The value of the given expression is−4.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 12 Answer

Given is the expression 10−19+5.

It is required to find the sum of the given expression.

To solve this question, first regroup the expression and keep the integers with same sign together.

Then add the absolute values of the numbers with same sign and keep the same sign as of the number.

Then to add two integers with different signs, first determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Regroup the same sign numbers together and determine the absolute values of each integer.

10−19+5=10+5−19

∣10∣=10

∣−19∣=19

∣5∣=5

Add the absolute values of the numbers having same sign and keep the same sign as of the numbers.

Here 10 and 5 have same sign. So,

​10+5−19

15−19

​Transfer the subtraction into addition by changing the sign of the second number.

​15−19

15+(−19)

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here 19>15.

The larger absolute value is of 19 having negative sign so,

​= 15+(−19)

= −(19−15)

−(19−15) = −4

So the sum of the given expression is −4.

The value of the given expression 10−19+5 is −4.

Exercise 1.4 Adding And Subtracting Integers Solutions For HMH Middle School Grade 7 Workbook Page 8 Problem 13 Answer

Given is the expression −80+10−6.

It is asked to regroup the integers.

To solve the problem first regroup the numbers having positive sign and then put parenthesis around the integers and put addition sign between them and positive sign outside the parenthesis.

Then regroup the numbers having negative sign and then put parenthesis around the integers and put addition sign between them and negative sign outside the parenthesis.

First regroup the addition signed number but as there is only one number that is 10 having positive sign. So,

−80+10−6

10−80−6

Now regroup the numbers having negative sign that is 80 and 6, and then put parenthesis around the integers and put addition sign between them and negative sign outside the parenthesis.

​10−80−6

10−(80+6)

The regrouped expression is10−(80+6).

The regrouped expression of the given expression −80+10−6 is 10−(80+6).

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 14 Answer

It is given the expression−80+10−6.

It is required to add and subtract −80+10−6.

In order to add and subtract −80+10−6, using the final answer from part(a) of this problem, and then simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression with the expression outside.

From part (a) of this problem, −80+10−6=10−(80+6)

Simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression with the expression outside.

​10−(80+6)=10−86=−76​

10−(80+6)=−76

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 15 Answer

It is given the expression −80+10−6.

It is required to write the sum of −80+10−6.

In order to write the sum of −80+10−6, rearrange the integers and then take same sign common and then solve the equation.

It is given that −80+10−6.

Rearrange the given expression.

−80+10−6=10−80−6

Take negative common from last two digits.

−80+10−6=10−(80+6)

Solve the bracket.

−80+10−6=10−86

Simplify the resultant expression.

−80+10−6=−76

The sum of−80+10−6

is given by −80+10−6=−76

Student Edition Chapter 1 Exercise 1.4 Adding And Subtracting Integers HMH Grade 7 Workbook Guide Page 8 Problem 16 Answer

It is given the expression 7−21+13.

It is required to regroup the given expression.

In order to regroup the given expression, rearrange the integers and then take same sign common

It is given that 7−21+13.

Re-grouping the given expression by taking same sign integers together.

7−21+13=(7+13)−21

The equation 7−21+13 after re-grouping is given by

7−21+13=(7+13)−21

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 17 Answer

It is given the expression 7−21+13.

It is required to add and subtract 7−21+13.

In order to add and subtract 7−21+13, using the final answer from part (a) of this problem, and then simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression with the expression outside.

From part (a) of this problem, (7+13)−21

Simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression with the expression outside.

(7+13)−21=20−21=−1

​(7+13)−21=−1

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 18 Answer

It is given the expression 7−21+13.

It is required to write the sum of 7−21+13.

In order to write the sum of 7−21+13, rearrange the integers and then take same sign common and then solve the equation.

It is given that 7−21+13.

Rearrange the given expression.

7−21+13=7+13−21

=(7+13)−21

​Solve the bracket.

(7+13)−21=20−21

Simplify the resultant expression.

20−21=−1

The sum of 7−21+13 is given by 7−21+13=−1

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 19 Answer

It is given the expression −5+13−6+2.

It is required to regroup the given expression.

In order to regroup the given expression, rearrange the integers and then take same sign common.

It is given that −5+13−6+2.

Re-grouping the given expression by taking same sign integers together.

−5+13−6+2=(−5−6)+(13+2)

Taking negative sign common from first bracket and rearrange the integers.

−5+13−6+2=(13+2)−(5+6)

The equation −5+13−6+2

after re-grouping is given by

−5+13−6+2=(13+2)−(5+6)

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 20 Answer

It is given the expression−5+13−6+2.

It is required to add and subtract −5+13−6+2.

In order to add and subtract 7−21+13, using the final answer from part(a) of this problem, and then simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression with the expression outside.

From part (a) of this problem,

−5+13−6+2=(13+2)−(5+6)

Simplify the brackets by adding the expression inside the first and second brackets and then subtract the resulting expression.

−5+13−6+2=(13+2)−(5+6)

−5+13−6+2 =15−11

−5+13−6+2 =4​

−5+13−6+2=4

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 21 Answer

It is given the expression −5+13−6+2.

It is required to write the sum of −5+13−6+2.

In order to write the sum of −5+13−6+2, rearrange the integers and then take same sign common and then solve the equation.

It is given that−5+13−6+2.

Rearrange the given expression.

​−5+13−6+2=(−5−6)+(13+2)

=−(5+6)+(13+2)

​Solve the bracket.

​−(5+6)+(13+2)=−11+15

​−(5+6)+(13+2) =4

​The sum of −5+13−6+2 is given by −5+13−6+2=4

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 22 Answer

It is given the expression 18−4+6−30.

It is required to regroup the given expression.

In order to regroup the given expression, rearrange the integers and then take same sign common.

It is given that 18−4+6−30.

Re-grouping the given expression by taking same sign integers together.

18−4+6−30=(18+6)+(−4−30)

Taking negative sign common from second bracket and rearrange the integers.

18−4+6−30=(18+6)−(4+30)

The equation18−4+6−30 after re-grouping is given by

18−4+6−30=(18+6)−(4+30)

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 23 Answer

It is given the expression18−4+6−30.

It is required to add and subtract 18−4+6−30.

In order to add and subtract 18−4+6−30, use the final answer from part (a) of this problem, and then simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression with the expression outside.

From part (a) of this problem, 18−4+6−30=(18+6)−(4+30)

Simplify the brackets by adding the expression inside the brackets and then subtract the resulting expression.

​18−4+6−30=(18+6)−(4+30)

​18−4+6−30 =24−34

​18−4+6−30 =−10​

18−4+6−30=−10

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 8 Problem 24 Answer

In this question, it is given that the expression is 18−4+6−30.

It is required to write the sum of the given expression.

Solving the given expression

​=18−4+6−30

18−4+6−30 =18+6−30−4

18−4+6−30 =24−34=−10

as the magnitude of −34 is greater than that of 24, hence the answer is negative.

The sum is 18−4+6−30=−10.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.3 Adding and Subtracting Integers

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Adding and Subtracting Integers

HMH Grade 7 Practice Fluency Workbook Chapter 1 Exercise 1.3 Solutions Page 5 Problem 1 Answer

A number line is given.

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1

It is required to find the solution of  5−(−1). The presence of two minuses will make the second number positive.

In order to do so, first, find 5 on the number line and then move one interval to the right of  5.

On the number line, find  5.

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1 1

It is required to find the solution of 5−(−1), so move one interval to the right of 5.

As 5−(−1)=5+1

Hence, the difference is concluded as 6.

Read and Learn More HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Solutions

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1 2

The difference is 6.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 2 Answer

It is given an expression, −6−4.

It is required to find the solution of −6−4

The second is a negative number 4 which has to subtracted from a negative number −6.

The difference will take value of the greater number.

The given expression is −6−4.

Subtract 4 from −6

−6−4=−10

Thus, the difference is −10.

The difference is −10.

Adding And Subtracting Integers Exercise 1.3 Chapter 1 Answers HMH Grade 7 Workbook Page 5 Problem 3 Answer

It is given an expression −7−(−12).

It is required to find the solution of −7−(−12).

In order to do so, consider that the second is a negative number −12 which has to subtracted from a negative number −7.

The presence of two minuses will make the second number positive.

The difference will take value of the greater number.

The given expression is −7−(−12).

Subtract −12 from −7.

​−7−(−12)=−7+12=5

​Thus, the difference is 5.

The difference is 5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 4 Answer

It is given an expression 12−16.

It is required to find the solution of 12−16.

In order to do so, the second number is 16 which has to be subtracted from 12.

The difference will take value of the greater number.

The given expression is 12−16.

Subtract 12 from 16.

​12−16=12−16=−4

​Thus, the difference is −4.

The difference is −4.

Step-By-Step Solutions For Exercise 1.3 Adding and Subtracting Integers HMH Grade 7 Practice Workbook Page 5 Problem 5 Answer

It is given an expression 5−(−19).

It is required to find the solution of 5−(−19).

In order to do so, consider that the second is a negative number −19 which has to be subtracted from 5.

The presence of two minutes will make the second number positive.

The given expression is 5−(−19).

Subtract 5 from −19

​5−(−19)=5+19=24

Thus, the difference is 24.

The difference is 24.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 6 Answer

It is given an expression, −18−(−18).

It is required to find the solution of −18−(−18)

In order to do so,  consider that the second is a negative number −18 which has to be subtracted from a negative number −18.

The presence of two minutes will make the second number positive.

The given expression is −18−(−18).

Subtract −18 from −18

−18−(−18)=−18+18

−18−(−18) =0

Thus, the difference is 0.

The difference is 0.

Exercise 1.3 Adding And Subtracting Integers Solutions For Hmh Middle School Grade 7 Workbook Page 5 Problem 7 Answer

The given statement is 23−(−23).

It is required to show subtraction on number line and find the difference.

To do so, first add the opposite number to the difference to modify it. And then on a number line, simulate the sum.

Add the opposite number to the difference to modify it,23−(−23)=23+23.

Simulate the sum on a number line. Begin at 23 and advance 23 units to the right, as 23 is a positive number.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.3 Adding and Subtracting

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 8 Answer

The given statement is,−10−(−9).

It is required to show subtraction on number line and find the difference.

To do so, first add the opposite number to the difference to modify it. And then on a number line, simulate the sum.

Add the opposite number to the difference to modify it,−10−(−9)=−10+9.

Simulate the sum on a number line. Begin at −10 and advance 9 units to the right, as 9 is a positive number.

This gives,−10+9=−1

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 8

Therefore,−10−(−9)=−1.

−10−(−9)=−1 and the representation on number line is as,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 8 1

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 9 Answer

The given statement is,29−(−13).

It is required to show subtraction on number line and find the difference.

To do so, first add the opposite number to the difference to modify it.

And then on a number line, simulate the sum.

Add the opposite number to the difference to modify it,29−(−13)=29+13.

Simulate the sum on a number line.

Begin at 29 and advance 13 units to the right, as 13 is a positive number.

This gives,29+13=42

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 9

Therefore,29−(−13)=42.

29−(−13)=42 and the representation on number line is as,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 9 1

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 10 Answer

It is asked to find a difference 9−15.

To solve this question, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

9−15=9+(−15)

9∣=9 and,∣−15∣=15.

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 15>9.

15−9=6

The larger number 15 has a negative sign and therefore,

​9+(−15)=−6

9−15=−6

The value of the difference 9−15 is −6.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 11 Answer

It is asked to find a difference −12−14.

To solve this question, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with same signs.

To solve that, determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both integers.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

−12−14=−12+(−14)

∣−12∣=12 and,∣−14∣=14.

Add these absolute values of numbers and keep the same sign as that of both integers.

12+14=26

Therefore,​

−12+(−14)=−26

−12−14=−26

​The value of the difference −12−14 is −26.

Examples of problems from Exercise 1.3 Adding and Subtracting Integers in HMH Grade 7 Workbook Page 5 Problem 12 Answer

It is asked to find a difference 22−(−8).

To solve this question, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with same signs.

To solve that, determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both integers.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

22−(−8)=22+8

∣22∣=22 and,∣8∣=8.

Add these absolute values of numbers and keep the same sign as that of both integers.

22+8=30

Therefore, 22−(−8)=30

​The value of the difference 22−(−8) is 30.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 13 Answer

It is asked to find a difference −16−(−11).

To solve this question, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

−16−(−11)=−16+11

∣−16∣=16 and,∣11∣=11.

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 16>11.

16−11=5

The larger number 16 has a negative sign and therefore,

​−16+11=−5

−16−(−11)=−5

​The value of the difference −16−(−11) is −5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 14 Answer

It is given that the temperature in Minneapolis changed from −7∘F at 6A.M. to 7∘F at noon.

It is asked to determine the increase in temperature,

To solve this question, determine the difference 7−(−7).

For this, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with same signs.

To solve that, determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both integers.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

7−(−7)=7+7

∣7∣=7

Add these absolute values of numbers and keep the same sign as that of both integers.

7+7=14

Therefore, 7−(−7)=14

Thus, the increase in temperature is 14∘F.

The increase in temperature form 6A.M. to noon is 14∘F.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 15 Answer

It is given that Friday’s high temperature was −1∘C and low temperature was −5∘C.

It is asked to determine the temperature between high and low temperature.

To solve this question, determine the difference −1−(−5).

For this, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

−1−(−5)=−1+5

∣−1∣=1 and,∣5∣=5.

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 5>1.

5−1=4

The larger number 5 has a positive sign and therefore,

​−1+5=4

−1−(−5)=4

​Thus, the difference between high and low temperature is 4∘C.

The difference between Friday’s high and low temperature is 4∘C.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 16 Answer

It is given that the temperature changed from 5∘C at 6 A.M to −2∘C at midnight.

It is asked to determine the decrease in the temperature.

To solve this question, determine the difference 5−(−2).

For this, first, transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with same signs.

To solve that, determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both integers.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

5−(−2)=5+2

∣5∣=5 and,∣2∣=2.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

5−(−2)=5+2

∣5∣=5 and,∣2∣=2.

The decrease in temperature is 7∘C.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 5 Problem 17 Answer

It is given that the day time high temperature on the moon can reach 130∘C and the night time low temperature can get as low as −110∘C.

It is asked to determine the difference between high and low temperature.

To solve this question, determine the difference 130−(−110).

For this, first, transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with same signs.

To solve that, determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both integers.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

130−(−110)=130+110

∣130∣=130 and,∣110∣=110

Add these absolute values of numbers and keep the same sign as that of both integers.

130+110=240

Therefore,

130−(−110)=240

Thus, the difference in high and low temperature is 240∘C.

The difference in high and low temperature on the moon is 240∘C.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 18 Answer

Three cards 7, 13 and −8 are given and the total value of the cards is 12.

It is asked to determine what happens when the 7 card is taken away.

To solve this question, determine the difference 12−7.

For this, first, transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

12−7=12+(−7)

12∣=12 and,∣−7∣=7.

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 12>7.

12−7=5

The larger number 12 has a positive sign and therefore,

​12+(−7)=5

12−7=5

Thus, when the 7 card is taken away, the new value is 5.

When the 7 card is taken away, the new value is 5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 19 Answer

Three cards 7, 13 and −8 are given and the total value of the cards is 12.

It is asked to determine what happens when the 13 card is taken away.

To solve this question, determine the difference 12−13.

For this, first transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with different signs.

To solve that, determine the absolute values of both numbers.

Then subtract the number with a lower absolute value from the number with the higher absolute value.

Finally, assign the sign of the number with the higher absolute value to the answer.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

12−13=12+(−13)

12∣=12 and,∣−13∣=13.

Subtract the number with a lower absolute value from the number with the higher absolute value and assign the sign of the number with the higher absolute value to the answer.

Here, 13>12.

13−12=1

The larger number 13 has a negative sign and therefore,

​12+(−13)=−1

12−13=−1

Thus, when the 13 card is taken away, the new value is −1.

When the 13 card is taken away, the new value is −1.

Common Core Chapter 1 Exercise 1.3 Adding and Subtracting Integers detailed solutions HMH Grade 7 Workbook Page 6 Problem 20 Answer

Three cards 7, 13 and −8 are given and the total value of the cards is 12.

It is asked to determine what happens when the −8 card is taken away.

To solve this question, determine the difference 12−(−8).

For this, first, transfer the subtraction into addition by changing the sign of the second number.

Therefore, this will become the addition of two integers with same signs.

To solve that, determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both integers.

Transfer the subtraction into addition by changing the sign of the second number and determine the absolute values of both numbers.

12−(−8)=12+8

∣12∣=12 and,∣8∣=8.

Add these absolute values of numbers and keep the same sign as that of both integers.

12+8=20

Therefore,12−(−8)=20

Thus, when the −8 card is taken away, the new value is 20.

When the −8 card is taken away, the new value is 20.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 21 Answer

Given the expression −4−(−2).

It is asked if −4<−2, then the answer will be positive or negative.

To do so, find the absolute values of both the numbers.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Find the absolute values of the numbers.

∣−4∣=4 and,∣−2∣=2.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

4−2=0

So, the expression−4−(−2), where −4<−2 becomes,−4+2=−2.

The answer will be negative.

Student Edition Chapter 1 Exercise 1.3 Adding and Subtracting Integers HMH Grade 7 Workbook guide Page 6 Problem 22 Answer

Given the expression −4−(−2).

It is required to find the value of ∣4∣−∣2∣.

To do so, find the absolute values of both the numbers in the integers in the expression.

Subtract the number with a lower absolute value from the number with a higher absolute value.

Find the absolute values of the numbers.

−4∣=4 and,∣−2∣=2.

Subtract the number with a lower absolute value from the number with a higher absolute value.

4−2=2

The expression can be written as ∣4∣−∣2∣=2.

The value of the expression is 2.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 23 Answer

Given the expression−4−(−2).

It is required to find the value of the expression.

To do so, transfer the subtraction into an addition of the second number and find the absolute values for both the numbers.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Given the expression−4−(−2).

It is required to find the value of the expression.

To do so, transfer the subtraction into an addition of the second number and find the absolute values for both the numbers.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

4−2=2

The expression −4+2 becomes,−4−(−2)=−2

The value of the expression is −2.

Page 6 Problem 24 Answer

Given the expression 31−(−9).

It is required to find the value of the expression.

To do so, transfer the subtraction into an addition of the second number and find the absolute values for both the numbers.

Then add the absolute values of the numbers and the answer takes the same sign as the numbers.

Transfer the subtraction into an addition of the second number and find the absolute values for both the numbers.

31−(−9)=31+9

The absolute values of the numbers are,∣31∣=31 and,∣9∣=9.

Add the absolute values of the numbers and the answer takes the same sign as the numbers.

31+9=40

The expression becomes,31−(−9)=40

The value of the expression is 40.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 25 Answer

Given the expression 15−18.

It is required to find the value of the expression.

To do so, transfer the subtraction into an addition of the second number and find the absolute values for both the numbers.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Transfer the subtraction into an addition of the second number and find the absolute values for both the numbers.

15−18=15+(−18)

The absolute values of the numbers are,

∣15∣=15 and,∣−18∣=18.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

18−15=3

The expression 15+(−18) becomes,15−18=−3

The value of the expression is −3.

Step-by-step answers for Exercise 1.3 Adding and Subtracting Integers HMH Grade 7 Practice Workbook Page 6 Problem 26 Answer

Given the expression −9−17.

It is required to find the difference given in expression.

To do so, transfer the subtraction into addition by changing the sign of the second number.

Determine the absolute values of both numbers.

Then add these absolute values of numbers and keep the same sign as that of both the integers.

Transfer the subtraction into addition by changing the sign of the second number and find the absolute values of both numbers.

−9−17=−9+(−17)

∣−9∣=9 and,∣−17∣=17.

Add these absolute values of numbers and keep the same sign as that of both numbers.

9+17=26

Therefore the expression −9+(−17) becomes,−9−17=−26

The difference of the given expression is −26.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 27 Answer

Given the expression −8−(−8).

It is required to find the difference in the given expression.

To do so, transfer the subtraction into addition by changing the sign of the second number.

Determine the absolute value of both the numbers and then subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Transfer the subtraction into addition by changing the sign of the second number and find the absolute values of both numbers.

−8−(−8)=−8+8

∣−8∣=8 and,∣8∣=8.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

8−8=0

Therefore the expression −8−(−8) becomes, −8+8=0

The difference of the given expression is 0.

Page 6 Problem 28 Answer

Given the expression 29−(−2).

It is required to find the difference in the given expression.

To do so, transfer the subtraction into addition by changing the sign of the second number.

Determine the absolute value of both the numbers and then subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Transfer the subtraction into addition by changing the sign of the second number and find the absolute values of both numbers.

29−(−2)=29+2

29∣=29 and,∣2∣=2.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

29+2=31

Therefore the expression −29−(−2) becomes, 29+2=31

The difference of the given expression is 31.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 6 Problem 29 Answer

Given the expression 13−18.

It is required to find the difference given in the expression.

To do so, transfer the subtraction into addition by changing the sign of the second number.

Determine the absolute value of both the numbers and then subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

Transfer the subtraction into addition by changing the sign of the second number and find the absolute values of both numbers.

13−18=13+(−18)

13∣=13 and,∣−18∣=18.

Subtract the number with a lower absolute value from the number with a higher absolute value and the answer takes the sign of the higher absolute value.

18−13=5

Therefore the expression 13+(−18) becomes,

13−18=−5

The difference of the given expression is −5.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.2 Adding and Subtracting Integers

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Adding and Subtracting Integers

Hmh Grade 7 Practice Fluency Workbook Chapter 1 Exercise 1.2 Solutions Page 3 Problem 1 Answer

In the question, the expression is given as 2+(−3). The following number line is given:

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1

It is required to show the addition on the number line and find the sum.

To solve this, take the first integer given in the expression and show it on the number line.

Use the sign of the second integer to show the addition on the number line and find the sum.

The first integer in the expression 2+(−3) is 2. The second integer in the expression is −3.

Place 2 on the number line and go −3 units to the left to show the addition on the number line.

From the number line, the result of the sum of 2+(−3) is −1, which can be expressed as:

Read and Learn More HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Solutions

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1 1

The addition of 2+(−3) in the number line is shown below:

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1 2

The sum of the expression 2+(−3) is −1.

Hmh Grade 7 Practice Fluency Workbook Chapter 1 Exercise 1.2 Solutions Page 3 Problem 2 Answer

The given statement is −3+4.

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line, begin at a point −3 and advance 4 to the right and perform the addition.

Begin at −3 and advance 4 units to the right, as 4 is a positive number.

This gives

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 2

Therefore the sum is,−3+4=1.

−3+4=1 is the sum and the representation on number line is given below,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 2 1

Adding And Subtracting Integers Exercise 1.2 Chapter 1 Answers Hmh Grade 7 Workbook Page 3 Problem 3 Answer

The given statement is,−4+9.

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line.  Begin at −4 and advance 9 units to the right, as 9  is a positive number and obtain the required sum.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.2 Adding and Subtracting Integers

Step-By-Step Solutions For Exercise 1.2 Adding And Subtracting Integers HMH Grade 7 Practice Workbook Page 3 Problem 4 Answer

The given statement is, 6+(−9).

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line. Begin at 6 and advance 9 units to the left, as 9  is a negative number and obtain the required sum.

The given expression is 6+(−9).Consider the number line and then, begin at 6 and advance 9 units to the left, as 9 is a negative number and obtain the required sum.

This gives,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 4

Therefore,

6+(−9)=−3.

The sum of given expression 6+(−9) is found to be −3.

Exercise 1.2 Adding And Subtracting Integers Solutions For HMH Middle School Grade 7 Workbook Page 3 Problem 5 Answer

The given statement is,5+(−7).

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line.  Begin at 5 and advance −7 units to the left, as −7 is a negative number and obtain the required sum.

The expression is 5+(−7).

Consider the number line and then, begin at 5 and advance −7 units to the left, as −7 is a negative number and obtain the required sum.

This gives,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 5

Therefore, 5+(−7)=−2.

The sum of given expression 5+(−7) is −2.

Page 3 Problem 6 Answer

The given statement is,9+(−5).

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line. Then, begin at 9 and advance −5 units to the left, as −5 is a negative number.

The expression is 9+(−5).

Consider the number line and then, begin at 9 and advance −5 units to the left, as −5 is a negative number.

This gives,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 6

Therefore,

9+(−5)=4.

The sum of given expression 9+(−5) is found to be 4.

Examples Of Problems From Exercise 1.2 Adding And Subtracting Integers In HMH Grade 7 Workbook Page 3 Problem 7 Answer

The given statement is,(−1)+9.

It is required to show addition on a number line and find the sum of the given expression.

To do so, simulate the addition on a number line.

Then, begin at −1 and advance 9 units to the right, as 9 is a positive number, and obtain the required sum.

This gives,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 7

Therefore,

(−1)+9=8.

The sum of given expression (−1)+9 is found to be 8.

Page 3 Problem 8 Answer

The given statement is 9+(−7).

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line.

Then, begin at 9 and advance −7 units to the left, as −7  is a negative number and obtain the required sum.

The expression is 9+(−7).

Consider the number line and then, begin at 9 and advance −7 units to the left, as −7 is a negative number and obtain the required sum.

This gives,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 8

Therefore,9+(−7)=2.

The sum of given expression 9+(−7) is found to be 2.

Page 3 Problem 9 Answer

The given statement is, 50+(−7).

It is required to show addition on number line and find sum of given expression.

To do so, simulate the addition on a number line.

Then, begin at 50 and advance −7 units to the left, as −7 is a negative number and obtain the required sum.

The expression is 50+(−7).

Consider the number line and then, begin at 50 and advance −7 units to the left, as −7 is a negative number and obtain the required sum.

This gives,

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 9

Therefore,50+(−7)=43.

The sum of given expression 50+(−7) is found to be 43.

Common Core Chapter 1 Exercise 1.2 Adding And Subtracting Integers Detailed Solutions Hmh Grade 7 Workbook Page 3 Problem 10 Answer

It is given that there is an expression 1+(−30).

It is required to evaluate the sum of the expression.

To evaluate the expression, consider the number line then, begin to advance from 0 to −30 and then shift 1 places right, then evaluate and obtain the required answer.

The expression is 1+(−30).

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 10

Consider the number line and start from 0 to −30 in the negative direction and then shift +1 to the right to represent the required sum on the number line.

Further, evaluate and check the answer.

The expression 1+(−30) is evaluated as,​

1+(−30)=1−30

1+(−30) =−29​

The sum of the expression 1+(−30) is calculated as −29.

Page 3 Problem 11 Answer

It is given that there is an expression 15+(−25).

It is required to evaluate the sum of the expression.

To do this, consider the number line then, begin to advance from 0 to +15 and then shift 25 places left, then evaluate and obtain the required answer.

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 11

Consider a number line and then, begin to advance from 0 to 27 and then shift 6 places left, to obtain the required sum.

The expression 15+(−25) is evaluated as​

15+(−25)=15−25

15+(−25) =−10

​The sum of the expression 15+(−25) is calculated as −10.

Student Edition Chapter 1 Exercise 1.2 Adding And Subtracting Integers Hmh Grade 7 Workbook Guide Page 3 Problem 12 Answer

It is given that the outside temperature dropped by 13∘F in seven hours.

The final temperature is recorded as −2∘F.

It is required to find the starting temperature.

To find the starting temperature, assume the starting temperature as x.

Then make an equation showing the difference between the starting and final temperature. Finally, solve for x

in the linear equation and find the value of starting temperature.

Solve the equation obtained in step 1

x−(−2)=13

x+2=13

x=13−2

x=11

​The starting temperature outside when temperature dropped by 13∘F in seven hours to −2∘F was 11∘F.

Page 3 Problem 13 Answer

It is given that a football team gains eight yards in one play and then loses five yards in the next play

It is required to find the total yardage from the two plays.

To find the total yardage, add the 8 yards that the team went forward and the 5 yards that they were forced back to gain the total yardage of the team.

It is given that the team went forward 8 yards and came back 5 yards.

Hence the total yardage of the team is given as 8+(−5).

Solve this expression to obtain the total yardage as

​8+(−5)=8−5

​8+(−5) =3​

The total yardage of the football team is calculated as 3 yards.

Step-By-Step Answers For Exercise 1.2 Adding and Subtracting Integers HMH Grade 7 Practice Workbook Page 4 Problem 14 Answer

It is given that there is an expression 3+(−9).

It is required to decide whether this expression is to be added or subtracted and also state the reason.

The expression is 3+(−9).

The expression has the addition operator.

Hence, the two integers will be added.

However, since the nature of the bigger number 9 is negative, the addition operation changes into subtraction and becomes 3−9=−6.

Thus, 3+(−9) results in −6.

The numbers 3,9 in the expression 3+(−9) is to be subtracted as 3−9=−6 because the nature of the bigger number 9 is negative, the addition operation changes into subtraction.

Page 4 Problem 15 Answer

It is given that there is an expression 3+(−9)

It is required to decide whether this expression is to be added or subtracted and also state the reason.

The expression is 3+(−9).

The expression has the addition operator. Hence, the two integers will be added.

However, since the nature of the bigger number 9 is negative, the addition operation changes into subtraction. This can be also defined as adding 3 in −9.

Hence the expression becomes 3−9=−6.

Here, the sum −6 is negative.

The numbers 3,9 in the expression 3+(−9) is to be subtracted as 3−9=−6 and the sum of this expression is negative.

Page 4 Problem 16 Answer

It is given that −2+(−3).

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,

−2+(−3)

Then, determine the absolute values that is,

∣−2∣=2 and∣−3∣=3

So, 2+3=5

The sign of the total has the sign of the terms since the terms are of the same sign. So, the sign of answer will be negative.

Thus,−2+(−3)=−5

The sum of −2+(−3)=−5.

Page 4 Problem 17 Answer

It is given that −5+4.

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,−5+4

Then, determine the absolute values that is,

∣−5∣=5 and∣4∣=4

So, 5−4=1

Since, ∣−5∣>∣4∣, because the sign of the total is the sign of the term whose absolute value is bigger that is 5>4, the sign of answer will be negative.

Thus,−5+4=−1

The sum of −5+4=−1.

Page 4 Problem 18 Answer

It is given that −3+(−1).

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,−3+(−1)

Then, determine the absolute values that is,

∣−3∣=3 and∣−1∣=1

So, 3+1=4

The sign of the total has the sign of the terms since the terms are of the same sign.

So, the sign of answer will be negative.

Thus,−3+(−1)=−4

The sum of −3+(−1)=−4.

Page 4 Problem 19 Answer

It is given that −7+9.

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,−7+9

Then, determine the absolute values that is,

∣−7∣=7 and∣9∣=9

So, 9−7=2

Since, ∣9∣>∣−7∣, because the sign of the total is the sign of the term whose absolute value is bigger that is 9>7, the sign of answer will be positive.

Thus,−7+9=2

The sum of −7+9=2.

Page 4 Problem 20 Answer

It is given that 4+(−9).

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,

4+(−9)

Then, determine the absolute values that is,

∣4∣=4 and∣−9∣=9

So, 9−4=5

Since, ∣−9∣>∣4∣, because the sign of the total is the sign of the term whose absolute value is bigger that is 9>4, the sign of answer will be negative.

Thus,4+(−9)=−5

The sum of 4+(−9)=−5.

Page 4 Problem 21 Answer

It is given that 16+(−7).

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,

16+(−7)

Then, determine the absolute values that is,

∣16∣=16 and∣−7∣=7

So, 16−7=9

Since, ∣16∣>∣−7∣, because the sign of the total is the sign of the term whose absolute value is bigger that is 16>7, the sign of answer will be positive.

Thus,16+(−7)=9

The sum of 16+(−7)=9.

Page 4 Problem 22 Answer

It is given that −21+11.

It is required to find the sum of the given integers.

In order to do so, first consider the given integers.

After that, find the difference of their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,−21+11

Then, determine the absolute values that is,

∣−21∣=21 and∣11∣=11

So, 21−11=10

Since, ∣−21∣>∣11∣, because the sign of the total is the sign of the term whose absolute value is bigger that is 21>11, the sign of answer will be negative.

Thus,−21+11=−10

The sum of −21+11=−10

Page 4 Problem 23 Answer

It is given that 3+(−9).

It is required to find the sum of the given integers and how to know if the sum is negative.

In order to do so, first consider the given integers.

After that, find the difference in their absolute values.

Further, assign the required sign, positive or negative, based on the higher absolute value.

First consider the given integers,3+(−9)

Then, determine the absolute values that is,

∣3∣=3 and∣−9∣=9

So, 9−3=6

Since, ∣−9∣>∣3∣, because the sign of the total is the sign of the term whose absolute value is bigger that is 9>3, the sign of answer will be negative.

Thus, 3+(−9)=−6

Hence, the sum is negative.

The sum of 3+(−9)=−6 and the sum is negative.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.1 Adding and Subtracting Integers

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Adding and Subtracting Integers

HMH Grade 7 Practice Fluency Workbook Chapter 1 Exercise 1.1 Solutions Page 1 Problem 1 Answer

In the given question the following expression is given,−4+(−2).

And the given number line is as follows

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1

It is required to model their addition on the number line and find its sum.

To solve, draw a number line and model the addition of the expression on the number line.

First, draw the given number line.

Read and Learn More HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Solutions

Go Math!, Middle School Grade 7, Practice Fluency Workbook, 1st Edition, Chapter 1 Adding and Subtracting Integers 1 2

Then, locate the first integer on the number line.

If the second integer is positive, move that many units on the number line to the right from the location of the first integer and if the second integer is negative, move that many units on the number line to the right from the location of the first integer.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Exercise 1.1 Adding and Subtracting Integers

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 1 Problem 2 Answer

In the given question following expression is given,−7+(−1)

It is required to find the sum of the given integers.

To calculate the sum first check the signs of the integers. If both are positive then add the integers.

And if both the integers are negative, then first ignore the negative signs and add the integers.

Then at the end write the sum as a negative number.

Check the signs in the given expression −7+(−1) and observe if they are negative or not.

Here −7 and −1 are both negative integers.

Ignore the negative signs from the expressions −7+(−1) and add the integers using simple addition properties.

7+1=8

Write the obtained sum as a negative number.

−7+(−1)=−8

Therefore, the sum of the given expression −7+(−1) is obtained as −8.

Adding And Subtracting Integers Exercise 1.1 Chapter 1 Answers HMH Grade 7 Workbook Page 1 Problem 3 Answer

In the given question following expression is given,−5+(−4)

It is required to find the sum of the given integers.

To calculate the sum first check the signs of the integers.

If both are positive then add the integers.

And if both the integers are negative, then first ignore the negative signs and add the integers.

Then at the end write the sum as a negative number.

Check the signs in the given expression −5+(−4) and observe if they are negative or not.

Here −5 and −4 are both negative integers.

Ignore the negative signs from the expressions −5+(−4) and add the integers using simple addition properties.

5+4=9

Write the obtained sum as a negative number.

−5+(−4)=−9

Therefore, the sum of the given expression −5+(−4) is obtained as −9.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 1 Problem 4 Answer

In the given question following expression is given−51+(−42).

It is required to find the sum of the given integers.

To calculate the sum first check the signs of the integers.

If both are positive then add the integers.

And if both the integers are negative, then first ignore the negative signs and add the integers.

Then at the end write the sum as a negative number.

Check the signs in the given expression −51+(−42) and observe if they are negative or not.

Here −51 and −42 are both negative integers.

Ignore the negative signs from the expressions −51+(−42) and add the integers using simple addition properties.

51+42=93

Write the obtained sum as a negative number.

−51+(−42)=−93

Therefore, the sum of the given expression −51+(−42) is obtained as −93.

Step-By-Step Solutions For Exercise 1.1 Adding And Subtracting Integers HMH Grade 7 Practice Workbook Page 1 Problem 5 Answer

In the given question following expression is given 98+126.

It is required to find the sum of the given integers.

To calculate the sum first check the signs of the integers.

If both are positive then add the integers.

And if both the integers are negative, then first ignore the negative signs and add the integers.

Then at the end write the sum as a negative number.

Check the signs in the given expression 98+126 and observe if they are negative or not.

Here 98 and 126 are both positive integers.

Add the given integers 98 and 126 by using simple addition properties.

98+126=224

Therefore, the sum of the given expression 98+126 is obtained as 224.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 1 Problem 6 Answer

In the given question following expression is given,−20+(−75)

It is required to find the sum of the given integers.

To calculate the sum first check the signs of the integers.

If both are positive then add the integers.

And if both the integers are negative, then first ignore the negative signs and add the integers.

Then at the end write the sum as a negative number.

Check the signs in the given expression −20+(−75) and observe if they are negative or not.

Here −20 and −75 are both negative integers.

Ignore the negative signs from the expressions −20+(−75) and add the integers using simple addition properties.

20+75=95

Write the obtained sum as a negative number.

−20+(−75)=−95

Therefore, the sum of the given expression −20+(−75) is obtained as −95.

Exercise 1.1 Adding And Subtracting Integers Solutions For HMH Middle School Grade 7 Workbook Page 1 Problem 7 Answer

In the question the expression −350+(−250) is given.

It is required to find the sum of the integers.

To calculate the sum first observe that the integers have the same negative sign or not.

At first add the integers ignoring the negative signs.

Then at the end write the sum as a negative number.

Check the signs in the given expression  −350+(−250)  and observe if they are negative or not.

Here−350 and−250 are both negative.

Ignore the negative signs from the expression  −350+(−250) and  add the integers using simple addition properties.

350+250=600

Write the sum as a negative number.

−350+(−250)=−600

The sum of the given expression  −350+(−250) is −600.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 1 Problem 8 Answer

In the question the given expression is−110+(−1200).

It is required to find the sum of the integers

To calculate the sum first observe that the integers have the same negative sign or not.

First, add the integers  ignoring the negative signs.

Then at the end write the sum as a negative number.

Check the signs in the given expression −110+(−1200) and observe if they are negative or not.

Here −110 and −1200 are both negative numbers.

Ignore the negative signs from the expression −110+(−1200) and add the integers using simple addition properties.

110+1200=1310.

Write the sum as a negative number.

−110+(−1200)=−1310

The sum of the given expression −110+(−1200) is −1310.

Examples Of Problems From Exercise 1.1 Adding And Subtracting Integers In HMH Grade 7 Workbook Page 1 Problem 9 Answer

It is given that a construction crew is digging a hole.

Now on the first day, they dug a hole 3 feet.

Then on the second day, they dug 2 more feet and on the third day, they dug 4  more feet.

It is required to find a sum of negative numbers to represent this situation and also it is required to find the total sum and its relation with the problem.

To calculate the total sum observe all the integers have the same negative sign since all the integers are representing the depth of hole.

Add the integers ignoring the negative signs. Then at the end write the sum as a negative number.

Check the signs of the integers in the given problem (−3)+(−2)+(−4) and observe if they are negative or not.

Here −3 ,−2 and−4 are all negative integers since the integers are expressing the depth of the hole.

Ignore the negative signs from the expression and  add the integers using simple addition properties.

3+2+4=9

Write the sum as a negative number.

(−3)+(−2)+(−4)=−9

The total sum is −9 and here 9 represents the depth of hole which has been dug in three days and the negative sign − before 9 represents the fact that the value is representing depth.

The sum of the negative numbers is −9.

The total sum is −9 and here 9 represents the depth of hole which has been dug in three days and the negative sign − before 9 represents the fact that the value is representing depth.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 10 Answer

In the question the given expression is 3+6 .

It is required to find if the integers are both positive or both are negative.

To find if the integers are both positive or negative, check if the integers are with positive sign or the integers are with negative sign.

Check the signs of the integers  in the given expression 3+6 and observe if they are negative or positive.

Both 3 and 6 have positive signs.

Therefore the integers 3 and 6 are both positive integers.

The integers 3 and 6 in the given expression3+6 are both positive integers.

Common Core Chapter 1 Exercise 1.1 Adding And Subtracting Integers Detailed Solutions HMH Grade 7 Workbook Page 2 Problem 11 Answer

In the question the given expression is 3+6.

It is required to add the integers.

To find the addition of integers  3 and 6 in the given expression  3+6 use simple addition properties.

Add the integers 3 and 6 in the given expression 3+6 using simple addition properties.

3+6=9

Therefore the value of the addition is 9.

The required value of addition of 3 and 6 in the expression 3+6 is 9 .

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 12 Answer

In the question the given expression is 3+6.

It is required to find the sum of the integers.

To calculate the sum observe if the integers have the same positive sign. Then add the integers and at the end write the sum as positive number.

Check the signs of the integers 3 and 6 in the given expression is 3+6 if  the integers are both positive or the integers are both negative.

The integers 3 and 6 are both positive.

Add the integers 3 and 6 in the given expression is 3+6 using simple addition properties.

3+6=9

The required value of the integers 3 and 6 in the given expression is 3+6  is 9.

Student Edition Chapter 1 Exercise 1.1 Adding And Subtracting Integers HMH Grade 7 Workbook Guide Page 2 Problem 13 Answer

In the question the given expression is −7+(−1) .It is required to find if the integers are both positive or both negative.

To find if the integers are both positive or negative, check if the integers are with positive sign or the integers are with negative sign.

Check the signs of the integers  in the given expression −7+(−1) and observe if they are negative or positive.

Both −7 and −1 have negative signs.

Therefore the integers −7 and −1 are both negative integers.

The integers −7 and −1 in the given expression −7+(−1) are both negative integers.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 14 Answer

In the question the given expression is −7+(−1).

It is required to add the integers.

To find the addition, ignore the negative sign of the integers −7 and−1 and add them using simple addition properties.

Ignore the negative sign of the integers −7 and −1 in the given expression is −7+(−1)  and add them using simple addition properties.

7+1=8

Therefore the addition of the integers is 8.

The value of the addition of the integers −7 and−1 in the given expression −7+(−1) is – 8.

Step-By-Step Answers for Exercise 1.1 Adding And Subtracting Integers HMH Grade 7 Practice Workbook Page 2 Problem 15 Answer

In the question, the expression is given as −7+(−1).

It is required to write the sum of the given expression.

To solve this, add the integers given in the expression and write it as a negative number to write the sum of the expression.

The sum of the two integers 7 and 1 is 8.

The sum of −7+(−1) will be the negative of 8 and can be written as: −7+(−1)=−8

The sum of the expression −7+(−1) is −7+(−1)=−8.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 16 Answer

In the question, the expression is given as −5+(−2).

It is required to state if both the integers are positive or negative.

To solve this, write if the integers given in the expression are positive or negative by noting the sign before the integers.

The two integers given in the question are −5 and −2. Both the integers have a negative sign before them.

Hence, both the integers are negative.

The integers in the expression −5+(−2) are both negative.

Page 2 Problem 17 Answer

In the question, the expression is given as −5+(−2).

It is required to add the integers.

To solve this, add the integers given in the expression by ignoring the negative numbers.

Ignoring the negative signs, the two integers given in the expression −5+(−2) are 5 and 2.

Simplify the expression 5+2 using simple addition operations.

5+2=7

The addition of the integers in the expression −5+(−2) is 7.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 18 Answer

In the question, the expression is given as −5+(−2).

It is required to write the sum of the given expression.

To solve this, add the integers given in the expression and write it as a negative number to write the sum of the expression.

The sum of the two integers 5 and 2 is 7.

The sum of −5+(−2) will be the negative of 7 and can be written as:

−5+(−2)=−7

The sum of the expression −5+(−2) is −5+(−2)=−7.

Page 2 Problem 19 Answer

In the question, the expression is given as 6+4.

It is required to state if both the integers are positive or negative.

To solve this, write if the integers given in the expression are positive or negative by noting the sign before the integers.

The two integers given in the question are 6 and 4. Both the integers have no negative sign before them.

Hence, both the integers are positive.

The integers in the expression  6+4 are both positive.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 20 Answer

In the question, the expression is given as 6+4.

It is required to add the integers.

To solve this, add the integers given in the expression using addition operations.

Simplify the expression 6+4 using simple addition operations.

6+4=10

The addition of the integers in the expression 6+4 is 10.

Page 2 Problem 21 Answer

In the question, the expression is given as 6+4.

It is required to write the sum of the given expression.

To solve this, add the integers given in the expression to write the sum of the expression.

The two integers 6 and 4 have a sum of 10, which is a positive number.

The sum of the expression 6+4 can be written as:

6+4=10

The sum of the expression 6+4 is 6+4=10.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 22 Answer

In the question, the expression is given as −10+(−3).

It is required to find the sum of the expression.

To solve this, add the integers given in the expression ignoring the negative numbers.

Write the sum as a negative number to write the sum of the expression.

Both the integers −10 and −3 in the expression −10+(−3) have a negative sign before them.

Hence, the integers are both negative.

Ignoring the negative signs, the two integers given in the expression −10+(−3) are 10 and 3.

Simplify the expression 10+3 using simple addition operations.

10+3=13

The sum of −10+(−3) will be the negative of 13 and can be written as:−10+(−3)=−13

The sum of the expression −10+(−3) is −13.

Page 2 Problem 23 Answer

In the question, the expression is given as −4+(−12).

It is required to find the sum of the expression.

To solve this, add the integers given in the expression ignoring the negative numbers.

Write the sum as a negative number to write the sum of the expression.

Both the integers −4 and −12 in the expression −4+(−12) have a negative sign before them.

Hence, the integers are both negative.

Ignoring the negative signs, the two integers given in the expression −4+(−12) are 4 and 12.

Simplify the expression 4+12 using simple addition operations.

4+12=16

The sum of −4+(−12) will be the negative of 16 and can be written as: −4+(−12)=−16

The sum of the expression −4+(−12) is −16.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 24 Answer

In the question, the expression is given as 22+15.

It is required to find the sum of the expression.

To solve this, add the integers given in the expression ignoring the negative numbers.

Write the sum as a negative number to write the sum of the expression.

Both the integers 22 and 15 in the expression 22+15 have no negative sign before them.

Hence, the integers are both positive.

The two integers 22 and 15 have a sum of 37, which is a positive number.

The sum of the expression 22+15 can be written as:

22+15=37

The sum of the expression 22+15 is 37.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 25 Answer

In the question, the expression is given as −10+(−31).

It is required to find the sum of the expression.

To solve this, add the integers given in the expression ignoring the negative numbers.

Write the sum as a negative number to write the sum of the expression.

Both the integers −10 and −31 in the expression −10+(−31) have a negative sign before them.

Hence, the integers are both negative.

Ignoring the negative signs, the two integers given in the expression −10+(−31) are 10 and 31.

Simplify the expression 10+31 using simple addition operations.

10+31=41

The sum of −10+(−31) will be the negative of 41 and can be written as:

−10+(−31)=−41

The sum of the expression −10+(−31) is −41.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 26 Answer

In the question, the expression is given as −18+(−6).

It is required to find the sum of the expression.

To solve this, add the integers given in the expression ignoring the negative numbers.

Write the sum as a negative number to write the sum of the expression.

Both the integers −18 and −6 in the expression −18+(−6) have a negative sign before them.

Hence, the integers are both negative.

Ignoring the negative signs, the two integers given in the expression −18+(−6) are 18 and 6.

Simplify the expression 18+6 using simple addition operations.

18+6=24

The sum of −18+(−6) will be the negative of 24 and can be written as:−18+(−6)=−24

The sum of the expression −18+(−6) is −24.

HMH Middle School Grade 7 Practice Fluency Workbook 1st Edition Chapter 1 Page 2 Problem 27 Answer

In the question, the expression is given as 35+17.

It is required to find the sum of the expression.

To solve this, add the integers given in the expression ignoring the negative numbers.

Write the sum as a negative number to write the sum of the expression.

Both the integers 35 and 17 in the expression 35+17 have no negative sign before them. Hence, the integers are both positive.

The two integers 35 and 17 have a sum of 52, which is a positive number.

The sum of the expression 35+17 can be written as 35+17=52

The sum of the expression 35+17 is 52.