Positive and Negative Integer Review

The sum of an integer and its additive inverse will always be

• positive

• negative

• zero

• neither

What problem is modeled on the number line above?

• 5 + 4 = -1

• -5 + 4 = -1

• 5 + (-4) = -1

• -1 + (-4) = -5

What number was added to 4 for the model to end on -2?

• -6

• 6

• -4

• 4

Solve.

9 + 6 + (-6)

• -9

• 21

• -21

• 9

Solve.

9 + (-17) + (-9)

• 9

• -9

• -17

• 17

When adding integers with different signs, you must __________ the absolute value of each integer and keep the sign of the integer with the higher value.

• add

• subtract

• multiply

• divide

Add.

14 + (-5)

• 19

• -19

• 9

• -9

Add.

18 + (-18)

• 0

• 36

• -36

• 10

Your bank account has a balance of -$8. How much do you need to add for your balance to be 0?

• 10

• 8

• -8

• 16

Add.

-13 + 9

• 4

• -4

• 22

• -22