Adding and Subtracting Negative Numbers Counters

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.

• -5 + (-2) = -7

• -5 - (-2) = -7

• -7 + (-2) = -5

• None of these. 

Use the counters to find the sum of the integers. 

• 17

• -2

• -1

• -17

• 7
• 5
• -7
• -5

Which addition equation matches the problem modeled below? (Yellow is positive and Red is negative)

• -2 + -4 = -6

• 2 + -4 = -2

• 4 + 2 = 6

Subtracting is the same as adding the _____________.

• numbers

• additive inverse

• multiplying

• dividing

What problem is shown with this number line?

• 3 - 2

• 2 - 3

• 3 - (-2)

• 5 - 2

Which equation represents the 2-color counters shown in the image? (Yellow is Positive and Red is Negative)

• -4 + 5 = -1

• 4 + 5 = 9

• 4 + (-5)= -1

• -5 - 4 = -9

Use the number line to find the sum.
3 + (-12) =

• -9

• 9

• -15

• 15

• -5 + 3 = -2
• 5 + (-3) = 2
• 5 + 3 = 8
• -5 + (-3) = -8