Adding Subtracting Integers

What expression does the model show?
Red = +
Yellow = -

• -7 + 4

• 7 + (-4)

• 7 + 4

• -3 + 0

Which addition equation goes with this image?

• (+3) + (-3) = 0

• (-6) + (+3) = (-3)

• (+6) + (-3) = (+9)

• (+6) + (-3) = (+3)

What can be added to these counters to make zero?

• One red counter

• Two yellow counters

• Two yellow counters and one red counter

• Two red counters

Use the model to solve the equation.

• 1

• 9

• -1

• -9

Which equation is represented by the model below?

• -5 + 3 = -2

• 5 + (-3) = 2

• 5 + 3 = 8

• -5 + (-3) = -8

6 + (-10) =

• 16

• -16

• 4

• -4

15 + -11 =

• 4

• -26

• -4

• 26

15 - 21

• 6

• 26

• -6

• -26

-8 - (-4) =

• 12

• -12

• 4

• -4

-8 + 12

• 4

• -4

• 20

• 6