Integer Operations

Integer Applications

100

The temperature fell a total of 12^oF in 4 hours. How much did it change each hour?

-3^oF

200

A football team lost 3 yards on each of the 4 plays they ran. What was their overall change in yardage?

-12 yards

300

The integer representing what I owe a friend after borrowing $5 and then  another $12.

What is -$17?

400

Which models a zero pair...

1) Climb up 4 feet in a tree and down 2 feet 

2) Walk up 20 steps and down 20 steps

3) Bike 4 miles east, rest and bike 5 more miles east

2) models a zero pair

500

You are hiking on a mountain and start at an elevation of 25 feet. You descend 30 feet. You ascend 20 feet. You descend 40 feet. You ascend 10 feet. What is your ending elevation?

-15 feet

Integer Operations (+)

100

25 + (-27) = 

-2

200

-37 + (-13) =

(-50)  

300

(-15) + 15 =

0

400

-12 + (9) =

(-3)

500

8+(-15)=

-7

Integer Operations (-)

100

15 - 38

-23

200

9 - (-20)=

29

300

32 - (-14) =

46

400

-97 - (-82) =

 -15

500

-49 - 22 =

-71

Integer Operations (*)

100

- 16(- 4)

64

200

What is the product? 

8(-4)

-32

300

-12(-5)=

60

400

9(-6) =

-54

500

-6(-3)

18

Integer Operations (/)

100

-100 ÷ 4 =

-25

200

27 ÷ -3

-9

300

480 ÷ 6  

80

400

-120 ÷ -40 =

3

500

-350 ÷ 50 =

-7