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

Mr. Lewis buys 200 yearbooks for $20 each. He then sells all of them for a total of $4,250. How much money did he make or lose overall?

$250 profit

400

A submarine begins the day at sea level, then descends 500 feet. The next day, it rises 150 feet and then descends 250 feet. What is its elevation at the end of the second day?

-600 feet

500

You are hiking on a mountain and start at an elevation of 25 feet. You descend 30 feet. You ascend (go up) 20 feet. Then you descend 40 feet. Later, 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) + 5 =

-16

500

8+(-15)+(-14)+12=

-9

Integer Operations (-)

100

15 - 38

-23

200

9 - (-20)=

29

300

32 - (-14) =

46

400

-97 - (-82) =

 -15

500

-49 - 22 - (-12) =

-59

Integer Operations (x)

100

16(- 4)

- 64

200

What is the product? 

8(-4)

-32

300

-12(-5)=

60

400

9(-60)(-2) =

1080

500

-5(-3)(-2)(-4)=

120

Integer Operations (/)

100

-100 ÷ 4 =

-25

200

27 ÷ (-3)

-9

300

480 ÷ 6  

80

400

-120 ÷ (-40) =

3

500

-350 ÷ 50 =

-7

Pi Day

100

What is Pi ( First 3 digits )

3.14

200

What is the formula for the circumference of a circle?

C= pid

300

What day is Pi Day? (the date)

3/14  or March 14

400

What is formula for finding the area of a circle?

A=pi*r*r

500

Name one famous person who has a birthday on Pi Day.

Albert Einstein