Integer Review #1

Which equation matches the model? (take your time!)

• 6 - (-2) = +8

• 6 - 8 = 2

• -6 - 2 = 8

• -6 + -2 = 8

What problem is shown in the model?

• 6 + 3 = 3

• 6 - 3 = 3

• 6 - 3 = -3

• 6 - 3 = 3

This model is equal to

• -1

• 0

• +1

• 2

What do you have to do to solve 4 - 5 ?

• Remove 4 positives and it equals 1

• Add 1 zero pair so you can remove 5 positives and it equals -1

• Add 5 negatives and it equals 1

• Add 5 zero pairs so you can remove 5 negatives and the answer is -9

Use the model to solve 5 - (-2) =?

• 3

• -3

• 7

• -7