Integer Operations EOU

Integer Applications

100

The temperature fell a total of 12^o F 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

Taylor has $27 dollars in his checking account. He then writes a check for $35. What is the balance of Taylor’s bank account?

$-8

400

A scuba diver dove to 40 feet below the surface of the water. He then sank an additional 17 feet before swimming back up 6feet. What is the depth of the scuba diver compared to sea level?

-51 feet below sea level

500

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

-15 feet below base camp

Integer Operations (+)

100

5 + (-7) = 

-2

200

-7 + (-3) =

-10

300

-255 + (-15) + 15 =

-255

400

-12 + 9 + (-20) =

-23

500

108+(-155)=

-47

Integer Operations (-)

100

5 - 8

-3

200

-9 - (-12)=

3

300

-32 - (-14) - 41=

-59

400

-9 - (-2) - 13=

 -20

500

-4 - 2 - 10 - 20 - 100 =

-136

Integer Operations (*)

100

- 6(- 4)

24

200

8(-4)

-32

300

-5(-5)(-5)=

-125

400

3(-2)(-11)(-2) =

-132

500

-6(-5)(12)(-1)(0)(-5)

0

Integer Operations (/)

100

-28 ÷ 4 =

-7

200

27 / -3

-9

300

-48 ÷ -6 ÷ -1  

-8

400

-102 ÷ -3 ÷ -1 =

-34

500

-35 ÷ 5 x (-11)=

77