Adding Integers
Subtracting Integers
Multiplying Integers
Dividing Integers
Rules (Fill in the blank)
100

-2 + 6

4

100

17 - 9

8

100

7 x 5

35

100

27/(-3)

-9

100

When adding two integers that have the same sign, you:

add the numbers & keep their sign

200

-8 + -10 

-18

200

(-7) - (-5)

-2

200

(-8) x (-12)

96

200

(-15)/(-3)

5

200

When adding two integers with opposite signs, you:

subtract the numbers and keep the sign of the larger one

300

3 + (-9)

-6

300

9 - 16

-7

300

(-11) x 11

-121

300

66/(-3)

-22

300

When multiplying and dividing integers, if both integers have the same sign, the answer is _____________.

positive

400

(-9) + 20

11
400

16 - (-16)

32

400

(13)(-10)

-130

400

(-100)/50

-2

400

When multiplying and dividing integers, if both integers have different signs, the answer is _____________.

negative

500

(-58) + 6

-52

500

(-48) - 8 

-56

500

(-33)(-2)

66

500

(-500)/(-10)

50

500

When subtracting integers, you:

Do Keep, Change, Opposite, then follow the adding integer rules