Integers Add, Subtract, Multiply and Divide

-9 + (-5)

• -14

• 14

• -4

• -4
• -6
• 4
• 6

(-25) ÷ (-5)

• 5

• -5

• -20

• -30

-2 - (-8)

• 6

• -6

• -10

• 10

23 - 47 + 18 - (-12) =

• 6

• -18

• 56

5 - (-12)

• -7

• 7

• 17

• -17

(-9)(-8)

• -72

• 72

Wai and Kuri were digging in the sand at the beach.  Wai dug a hole that was 15 inches below the surface and Kuri dug a hole that was 9 inches below the surface.  Find the difference in the depths of their holes.  

• 24 inches

• 6 inches

• -6 inches

• 20 inches 

Which results in a number larger than 70?

• 70 x -10

• 70 - (-10)

• 70 + (-10)

When you add opposites, what do you get?

• 0

• A negative number

• Attraction

• You cannot add opposites