Mrs. Area Model Add/Subtract Integers on Horizontal Number Line

Which equations match this model?

• 5 + (-5) = 0

• 5 - 5 = 0

• 0 + 5 = -5

• -5 + 0 = 5

Which equation matches this model?

• 4 + 5 = 9

• 0 + 4 = 5

• 4 + 5 = 0

• 4 + 5 = 4

Which equation matches this model?

• 3 + 3 = 9

• 3 + 3 = 6

• 0 + 3 = 3

• 0 + 3 = 6

Which equation matches this model?

• -4 + 3 = -1

• -4 + 3 = 0

• 4 - 3 = 1

• 3 - 4 = 0

Which equations match this model?

• -4 + (-4) = -8

• -4 - 4 = -8

• 0 - 4 = -4

• 0 - 4 = -8

Which equations match this model?

• -4 + 4 = 0

• -4 + 4 = -4

• 4 + (-4) = 0

• -4 + 4 = 8

Which equations match this model?

• -3 + (-5) = -8

• -3 - 5 = -8

• -3 + 5 = -8

• 0 - 3 = -5

Which equation matches this model?

• -4 + 8 = 4

• -4 + 8 = 0

• 8 + (-4) = 0

• 8 - 4 = 0

What equations match this model?

• -7 + 6 = -1

• 6 + (-7) = -1

• -7 - 6 = -13

• 6 - (-7) = -1

It was -20 degrees outside this morning. It rose 30 degrees by the afternoon. What was the new temperature?

• -20 + 30 = 10

• -20 + 30 = -10

• -20 - 30 = 10

• 30 + (-20) = -10