Integer Operations

A shopper uses a department-store gift card to pay for 3 sweaters priced at $27 each. What is the change in the value of the gift card?

• -$81

• -$24

• -$27

• $81

When her elevator was out of service, Debi walked down 21 flights of stairs.

She stopped to rest after every 3 flights. How many times did Debi stop to rest?

• -63

• -31

• 18

• 7

Last week, Clay wrote 4 checks for $20 each from his checking account, withdrew another $30, and finally made a deposit of $96. What was the change in the balance of his account over the week?

• -$46

• -$14

• $14

• $46

Which expression would be evaluated as a positive number?

• (-3)(-4)

• (3)(4)(-1)

Philip played a board game, and he

drew 4 straight cards that read, “Go

back 8 spaces.” What is the change in Philip’s position on the game board?

• -136 spaces

• -32 spaces

• 46 spaces

• 104 spaces

Manuel played an arcade game that cost 25 tokens per game. In six games, Manuel won 0 tokens, 10 tokens,

50 tokens, 0 tokens, 5 tokens, and

10 tokens. What is the change in the number of tokens Manuel has?

• -85

• -75

• 75

• 90

The low temperature for 5 days was -5°, -7°, -2°, 2°, and -3°. What was the average low temperature for those days?

• -4°

• -3°

• -2°

• -1°

A football team was given 3 penalties for 15 yards each and 2 penalties for 5 yards each. What was the total change in their field position from these penalties?

• -85 yd

• -75 yd

• -55 yd

• -20 yd

Amy bought 3 pounds of lemons at

$2 per pound, a box of rice for $4, and

7 frozen dinners for $3 each. What is the change in the amount of money she has?

• -$39

• -$31

• -$9

• $31

On Saturday, Ms. Hey bought 7 pairs of socks for $3 each, and a sweater for her dog for $12. Then she found a $5 bill on the sidewalk. Over the course of Saturday, what was the change in the amount of money Ms. Hey had?

• -$33

• -$21

• $28

• -$28