Subtracting IntegersSubtracting Integers

ALA: Pre-AlgebraUnit 6 Integers

SUBTRACTING INTEGERS

SUBTRACTION IS THE SAME AS…

ADDING THE OPPOSITE

The opposite of 5 is…. The opposite of -5 is…

-5 5

5 - 35 - 3 = 2

3 - 53 - 5 = -2

-3 - 5-3 - 5 = -8

-5 - 3-5 - 3 = -8

5 - 35 - (-3)= 8

-5 - 3-5 - (-3) = -2

-3 - 5-3 - (-5)= 2

3 - 53 - (-5)= 8

TRY SOME

YOURSELF

-10 - 2

-12

7 - (-6)

13

- 4 - (-7)

3

- 1 - 1

-2

- 1 - 9

-10

4 - (-7)

11

-3 - 7

-10

-2 - (-1)

-1

0 - (-8)

8

-3 - (-3)

0

0 - 13

-13

HOW ABOUT SOME

ALGEBRA?

9X - 2X

7X

-5y - 3y

-8y

7X - (-4X)

11X

7X2 - 6X2

X2

6X - 7X

-X

-7ps - (-3ps)

-4ps

MIX THEM UP!

ADDITION AND SUBTRACTION

-11 + 6

-5

-5 - 13

-18

-5X - 11X

-16X

-15 - 15

-30

-1 + (-4)

-5

-6 - (-2)

-4

-12 - (-12)

0

-17 - 10

-27

21 + (-6)

15

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