2-1 & 2-2 Adding and Substacting Integers

Use the counters to find the sum of the integers. 

• -5
• -7
• 5
• 7

Use the counters to find the sum of the integers. 

• 17
• -2
• -1
• -17

Match the integer addition problem with the graph.

• 4 + (-5) = -1
• -5 + 4 = -1
• 4 + (-5) = 0
• None of these

Match the integer addition problem with the graph.

• 6 + (-2) = 6
• -2 + 6 = 0
• 6 + (-2) = 4
• None of these.

Match the integer addition problem with the graph.

• -5 + (-2) = -7
• -5 - (-2) = -7
• -7 + (-2) = -5
• None of these. 

-20+(-11)

• 31
• 9
• -9
• -31

(-9) + 9

• 18
• -18
• 0
• 81

(- 9) + 7

• -2
• 2
• 16
• -16

7 + (-14)

• 7
• 21
• -21
• -7

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

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