Adding and Subtracting Positive and Negative Numbers

25 - (-4) = ? 

• 21

• -29

• 29

• -21

-10 - 8

• -18

• 2

• -2

• 18

9 - (-13)

• -22

• 4

• -4

• 22

What do you call numbers that are less than zero and located to the left of zero on the number line?

• positive numbers

• negative numbers

• integers

• signed numbers

-1 - (-3)

• 4

• -4

• 2

• -2

(-8) + (-2)

• 14

• 10

• 8

• -10

Find the missing value:
-10 - _____ = 4

• 6

• -6

• -14

• 14

What do you call numbers that are greater than zero and to the right of zero on the number line?

• integers

• opposite numbers

• positive numbers

• negative numbers

-9 + (-11)

• -2

• 2

• 20

• -20

8 - (-3)

• 11

• -5

• 5

• 24