Review: 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

^{In a games, Allison won 5 points, then lost 8 points, then lost another 7 points and finally won 10 points. How many points did she end up with?}

0 points

300

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

-12 yards

400

A diver travels 30 feet below sea level then up 20 feet, then down 80 more feet. What is her location relative to sea level?

-90 feet

500

Harry missed 23 points on a test. Harry went back and tried to correct some questions and earned 15 points back. How many points has Harry lost/gained now?

-8

600

A roller coaster climbs 125 feet on the first hill then drops 50 feet down. On the second hill the roller coaster climbs another 70 feet then drops 15 feet. What is the height at the end of the second hill?

125 + (-50) + 70 + (-15) = 130

Integers (1)

100

(13)(-2)

-26

200

(-2)(-5)(3)

30

300

3² ÷ 3 + (-5)

-2

400

-4² + 8 ÷ 2 + 3

-9

500

(-2)² + 4 ÷ (-2) + 3

5

600

4[-6 + (6÷ 2)²] - 1

11

Integers (2)

100

(-9) - (-83) = 

74

200

8 • 8 - (-4)

68

300

-5²+(-5)²

0

400

(3 - 5)² ÷ 4 + (-9)

-8

500

3[3(8 - 3²)- 6]

-27

600

(3² + 1) ÷ |-5| + (-1)²

3

Integers (3)

100

-27/3

-9

200

|-1| - |1| + (-1)²

1

300

18 + (-2) - 7 - (-4)

13

400

-2 - (-12) +(-5) + 6

-1

500

-4 - (-12 + 4) ÷ 2 + 1

1

600

-8(4 - 6)²÷ [4(2 + 3) - 12]

-4

Integers (4)

100

-37 + (-13) =

(-50)  

200

10 - 17 + 4

-3

300

27 - 18 + (-4) - 6

-1

400

[(3)(-1)(5) - (-10)]²

25

500

3[9 - (4² + 3)] • 2

-60

600

|5(2 - 4)² +15 ÷ (9 - 6)|

25