Math Integer Review

Negative times Negative equals

• Positive

• Negative

-3(4)(-2)(-1)

You are playing a card game. At the end of the game each card has a penalty of ten points. At the end of the game you have a penalty of -120 points. How many cards do you have?

• 10 cards

• 11 cards

• 12 cards

• 2 cards

Solve:
(-3)³

• 27

• 9

• -27

• -9

Add:  -12 + -8

• 20

• 4

• -4

• -20

Rewrite as addition and solve:
-10 - -10

• 20

• 10

• -20

• 0

Multiply:
-10 ⋅ -2 ⋅ 3

• -60

• 60

• -16

• -4

Divide:
-90/9

• 1

• -1

• -10

• 10

Solve:
(-3 ⋅ 6) ÷ -9

• -2

• 2

• -9

• 9

When subtracting integers, the rule is:

• Three stick

• Divide

• Multiply by the opposite

• Leave - change - opposite