Operations with Negative Numbers Addition and Subtraction

-10 + 10

• 20

• 0

• -20

• 1,000,000

-9 - 5

• -14

• 14

• -4

-7 + -6

• -1

• 11

• 1

• -13

-7 x 4

• 24

• 28

• -28

• -24

3 - (-9)

• 12

• -6

• 6

• -12

-10 - 20

• 30

• -30

• 10

• -10

-5 - (-25)

• -20

• 20

• 30

• -30

92 + (-94)

• -2

• 2

• 186

• -186

(-8) + (-2)

• -6

• 10

• 6

• -10

When you add integers with the same sign...

• you always get a positive

• you always get a negative

• you add and keep the sign

• you subtract and take the sign of the larger number

• you keep, change, change