+ - integers

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

• -1 + 7
• 1 + 7
• -1 + (-7)
• 1 + (-7)

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

• -2 + 6
• -2 + (-6)
• 2 - (-6)
• 2 + 6

Yellow is positive and red is negative. The model represents which math expression?

• -5 + 3

• 5 + 2

• -2 + (-5)

• -5 + 2

Yellow is positive and red is negative. Solve the model.

• -2

• 0

• 8

• -8

-4 - (-9)

-3 - 4

-23 + 11

14 - (-4)

12 + (-20)

8 + (-17)