Back to Prealgebra 2e

1.3 Subtract Whole Numbers

Taking away with models, borrowing across digits, checking a difference by adding it back, and phrases like less than and decreased by.

Prealgebra 2e, 1.3 Subtract Whole Numbers

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61 exercises

1.3 Exercise 2

Add: $324 + 586 .$
If you missed this problem, review the reference.

1.3 Exercise 3

Translate from math notation to words: ⓐ $8 - 1$ ⓑ $26 - 14$ .

1.3 Exercise 4

Translate from math notation to words:

ⓐ $12 - 4$
ⓑ $29 - 11$

1.3 Exercise 5

Translate from math notation to words:

ⓐ $11 - 2$
ⓑ $29 - 12$

1.3 Exercise 15

Subtract and then check by adding:

ⓐ $9 - 7$
ⓑ $8 - 3 .$

1.3 Exercise 16

Subtract and then check by adding:

$7 - 0$

1.3 Exercise 17

Subtract and then check by adding:

$6 - 2$

1.3 Exercise 18

Subtract and then check by adding: $89 - 61 .$

1.3 Exercise 19

Subtract and then check by adding: $86 - 54 .$

1.3 Exercise 20

Subtract and then check by adding: $99 - 74 .$

1.3 Exercise 22

Subtract and then check by adding: $93 - 58 .$

1.3 Exercise 23

Subtract and then check by adding: $81 - 39 .$

1.3 Exercise 25

Subtract and then check by adding: $439 - 52 .$

1.3 Exercise 26

Subtract and then check by adding: $318 - 75 .$

1.3 Exercise 28

Subtract and then check by adding: $832 - 376 .$

1.3 Exercise 29

Subtract and then check by adding: $847 - 578 .$

1.3 Exercise 31

Subtract and then check by adding: $4,585 - 697 .$

1.3 Exercise 32

Subtract and then check by adding: $5,637 - 899 .$

1.3 Exercise 33

Translate and then simplify:

ⓐ the difference of $13$ and $8$
ⓑ subtract $24$ from $43$

1.3 Exercise 34

Translate and simplify:

ⓐ the difference of $14$ and $9$
ⓑ subtract $21$ from $37$

1.3 Exercise 35

Translate and simplify:

ⓐ $11$ decreased by $6$
ⓑ $18$ less than $67$

1.3 Exercise 37

The high temperature on $\text{June} 1^{\text{st}}$ in Boston was $77$ degrees Fahrenheit, and the low temperature was $58$ degrees Fahrenheit. What was the difference between the high and low temperatures?

1.3 Exercise 38

The weather forecast for June $2$ in St Louis predicts a high temperature of $90$ degrees Fahrenheit and a low of $73$ degrees Fahrenheit. What is the difference between the predicted high and low temperatures?

1.3 Exercise 40

A television set is on sale for $\$\text{499} .$ Its regular price is $\$\text{648} .$ What is the difference between the regular price and the sale price?

1.3 Exercise 41

A patio set is on sale for $\$\text{149} .$ Its regular price is $\$\text{285} .$ What is the difference between the regular price and the sale price?

1.3 Exercise 42

Translate from math notation to words.

$15 - 9$

1.3 Exercise 44

Translate from math notation to words.

$42 - 35$

1.3 Exercise 46

Translate from math notation to words.

$675 - 350$

1.3 Exercise 60

Subtract and then check by adding.

$9 - 4$

1.3 Exercise 62

Subtract and then check by adding.

$8 - 0$

1.3 Exercise 64

Subtract and then check by adding.

$38 - 16$

1.3 Exercise 66

Subtract and then check by adding.

$85 - 52$

1.3 Exercise 68

Subtract and then check by adding.

$493 - 370$

1.3 Exercise 70

Subtract and then check by adding.

$5,946 - 4,625$

1.3 Exercise 72

Subtract and then check by adding.

$75 - 47$

1.3 Exercise 74

Subtract and then check by adding.

$461 - 239$

1.3 Exercise 76

Subtract and then check by adding.

$525 - 179$

1.3 Exercise 78

Subtract and then check by adding.

$6,318 - 2,799$

1.3 Exercise 80

Subtract and then check by adding.

$2,150 - 964$

1.3 Exercise 82

Subtract and then check by adding.

$43,650 - 8,982$

1.3 Exercise 84

Translate and simplify.

The difference of $10$ and $3$

1.3 Exercise 86

Translate and simplify.

The difference of $15$ and $4$

1.3 Exercise 88

Translate and simplify.

Subtract $6$ from $9$

1.3 Exercise 90

Translate and simplify.

Subtract $28$ from $75$

1.3 Exercise 92

Translate and simplify.

$45$ decreased by $20$

1.3 Exercise 94

Translate and simplify.

$92$ decreased by $67$

1.3 Exercise 96

Translate and simplify.

$12$ less than $16$

1.3 Exercise 98

Translate and simplify.

$38$ less than $61$

1.3 Exercise 100

Simplify.

$76 - 47$

1.3 Exercise 102

Simplify.

$256 - 184$

1.3 Exercise 104

Simplify.

$719 + 341$

1.3 Exercise 106

Simplify.

$2,015 - 1,993$

1.3 Exercise 108

Translate and simplify.

Seventy-five more than thirty-five

1.3 Exercise 110

Translate and simplify.

$13$ less than $41$

1.3 Exercise 112

Translate and simplify.

The difference of $100$ and $76$

1.3 Exercise 114

Solve.

Temperature The high temperature on June $2$ in Las Vegas was $80$ degrees and the low temperature was $63$ degrees. What was the difference between the high and low temperatures?

1.3 Exercise 116

Solve.

Class size Olivia’s third grade class has $35$ children. Last year, her second grade class had $22$ children. What is the difference between the number of children in Olivia’s third grade class and her second grade class?

1.3 Exercise 118

Solve.

Shopping A mountain bike is on sale for $\$\text{399} .$ Its regular price is $\$\text{650} .$ What is the difference between the regular price and the sale price?

1.3 Exercise 120

Solve.

Savings John wants to buy a laptop that costs $\$\text{840} .$ He has $\$\text{685}$ in his savings account. How much more does he need to save in order to buy the laptop?

1.3 Exercise 122

Road trip Noah was driving from Philadelphia to Cincinnati, a distance of $5 0 2$ miles. He drove $115$ miles, stopped for gas, and then drove another $23 0$ miles before lunch. How many more miles did he have to travel?

1.3 Exercise 124

Explain how subtraction and addition are related.

Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.