Adding and Subtracting Integers Easy

We use the rule "if the signs are the same the answer is positive and if the signs are different the answer is negative" when we are _____________. (check all that apply)

• adding integers

• subtracting integers

• multiplying integers

• dividing integers

(-10) + (-7)

• -17

• 17

• 3

• -3

(-12) + 7

• 5

• -5

• 19

• -19

-6 + 12

• -18

• 6

• -6

• NONE OF THESE

-13 - (-5)

• 18

• -18

• 8

• -8

16 - 24

• 8

• -8

• 40

• -40

During the week Jimmy spent $45 eating out, gained $55 mowing lawns and spent $15 on gas. What was Jimmy's change in dollars at the end of the week? HINT: The two amounts of money he spent should be negative amounts and the money he gained is a positive amount. Add two negatives and one positive to get the answer.

• $5

• - $5

• - $15

• $15

-16 - (-16)

• 0

• 32

• -32

• none of these options

Subtracting a Negative is the same thing __________ a Positive.

• "adding" which means 5 - (-3) is the same as 5 + 3

• "subtracting" which means 5 - (-3) is the same as 5 - 3

• "Multiplying by" which means 5 - (-3) is the same as ( 5 x 3)

• "Dividing by" which means 5 - (-3) is the same as (5/3)

Josie has $47 left in her checking account. If she writes a check for $55, what will Josie's balance be?

• -$8

• $8

• $102

• -$102