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 or down 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 or loss of 12 yards

300

A skydiver fell 50 feet per minute. How long did it take him to fall 200 feet? 

4 minutes

400

Bob had $-17 in his bank account. He needs to withdraw $10 more dollars. How much does he have in his account now? 

$-27

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 or 15 feet below sea level

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

(-6)(- 4)

24

200

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

(-48) ÷ 6  

-8

400

(-12) ÷ (-4) =

3

500

(-35) ÷ 5 =

-7