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

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

-12 yards

300

Harry missed 16 points on a test. Harry went back and tried to correct some questions and earned 12 points back. How many points has Harry lost/gained now?

-4 points

Lost 4 points

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

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

600

A roller coaster climbs 105 feet on the first hill then drops 30 feet down. On the second hill the roller coaster climbs another 50 feet then drops 20 feet. What is the height at the end of the second hill?

105 + (-30) + 50 + (-20) = 105

Absolute Value

100

l-5l + l-7l = 

12

200

the sum of the absolute values of 10 and -14. 

24

300

-l-4l - l-6l =

-10

400

l-8l + (-8) =

0

500

-l-7l * -l3l

21

600

64 / l-8l = 

-8

Integer Operations (+ and -)

100

38 - 15

23

200

9 - (-20)=

29

300

32 - (-14) =

46

400

8+(-15)=

 -7

500

-49 - 22 =

-71

600

(-9) - (-83) = 

74

Integer Operations (* and /)

100

-13 * (-4)

52

200

28/(-4)

-7

300

-144 / - 12 =

12

400

5 * (-25) =

(-125)

500

-12 * (-4) / (-12 * .5)

-8

600

(16 / -2) * -8

64

Coordinate Plane and Evaluating Expressions

100

In what quadrant does the point (-5, -3) lie? 

Quadrant III

200

In what quadrant does the point (6, -5) lie? 

IV

300

If all the points on one line have a Y value of zero, what must the line be? 

X axis

400

Evaluate the expression when x = -2 and y = -4

y squared divided by 4x

-2

500

Evaluate the expression when x = -1 and y = 4

(y - -10) / 2x

(-7)

600

Evaluate the expression when x = -8 and y = -2

(y - x)/(5 + y)

2