Operation of Integers

Addition

100

-8 + 15

7

200

-5 + (-11)

- 16

300

-4 + 7

3

400

9 + ( -12)

-3

500

-10 + 3

-7

Subtraction

100

5 - ( -6)

11

200

7-9

-2

300

-3 - (4)

-7

400

-2 - (-8)

6

500

7-9

-2

Multiplication

100

(7) (4)

28

200

6 * (-5)

-30

300

(-3) (-9)

27

400

(-6) (2)

-12

500

9 * -3

-27

Division

100

36 / (-6)

-6

200

-72 / (-9)

8

300

24 / 3

8

400

-49 / (-7)

7

500

-25 / 5

-5

Misc

100

an unknown number represented by a letter x t r

What is a variable?

200

If Shelby starts at 5 degrees below sea level and removes 4 anchors, where will her submarine end up?

What is a 1 degree below or negative 1. 

300

If x is positive 4 and y is negative 6. Then, x +y = Positive or negative? 

What is a negative. 

400

17 - b = 17.5, what is b? 

What is -0.5

500

If Collin and Bez are training to climb the mountain, they climb 40 minutes and change elevation to 2,000 ft. What is their speed per minute? Is it positive or negative? 

What is 50 feet per minute and Positive