Subtracting Integers

-8 - (-4) =

• 12

• -12

• 4

• -4

Which question is the SAME as
-4 - (-2)       ?

• -4 + 2

• -4 - 2

• 4 + 2

• 4 - 2

-2 - (-10) = ?

• -12

• 12

• 8

• -8

-7 - (-7)

• 14

• 0

• -14

• 1

Using additive inverse, write this problem as an addition problem.

-22 - (-7)

• -22 + 7

• -22 + (-7)

• 22 + 7

• 22 + (-7)

The temperature on Sunday was -15^o C. The temperature on Monday was 12 degrees less than the temperature on Sunday. What was the temperature on Monday?

• -27

• -3

• 3

• -27

(-20) - (-8)

• -28

• 28

• -12

• 12

(-2) - (-3)

• -1

• -5

• 5

• 1

On what type of mathematical operation do you use KCO (Keep, Change, Opposite)

• Addition

• Subtraction

• Multiplication

• Division

• 58

• -58

• 170

• -170