Integers Counters

What number sentence is displayed.

• -6 + 5 = -1

• -6 + 5 = 11

• -6 + 5 = -11

• -6 + 5 = 1

What number sentence is displayed

• 3 + (-3) = 0

• 3 + (-3) = -6

• 3 + 3 = 6

What are Zero Pairs?

• When a positive and negative number cancel each other out.

• A set of zero numbers

• Exactly 2 zero numbers

Use the counters to find the sum of the integers. 

• 17

• -2

• -1

• -17

(-9) + 9

• 18

• -18

• 0

• 81

Rewrite the following subtraction problem as addition:     -2 - (-6)

• -2 + 6

• -2 + (-6)

• 2 - (-6)

• 2 + 6

Rewrite the following subtraction problem as addition:   -1 - 7

• -1 + 7

• 1 + 7

• -1 + (-7)

• 1 + (-7)

Rewrite the following subtraction problem as addition:     5 - 9

• 5 + 9

• -5 + 9

• -5 + (-9)

• 5 + (-9)

5 - (-12)

• -7

• 7

• 17

• -17

-2 - (-8)

• 6

• -6

• -10

• 10