Integer Add and Subtract

5+(-8)

12-(-8)

-8-(-9)

-4-(-7)

-8-8

5-3

Same signs you need to...

• add and keep the sign.

• subtract and keep the larger

• add and switch the sign.

• add and turn to negative

If you subtract a negative such as: 3- (-4) you need to change the problem to...

• multiply

• add

• subtract

• divide

If you add or subtract different signs such as: -4 + 2 you need to

• add together and change to positive

• multiply the two and change to negative

• subtract the two and keep the sign of the larger absolute value

• none of these

If you add a negative such as 3 + (-4) you can change the problem to...

• multiplication

• leave addition

• subtraction

• division