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Addition to Subtraction
Subtraction to Addition
Flip it!
Solve it!
100

4 + (-3)

4 - 3

100

3 - 2

3 + (-2)

100

What is the opposite of 5?

-5

100

5 - 3

2
200

5 + (-2)

5 - 2

200

2 - 4

2 + (-4)

200

What is the opposite of -10?

10 or positive 10

200

3 - 4

-1

300

-7 + 4

-7 - (-4)

300

-3 - 3

-3 + (-3)

300

-7

7 or positive 7

300

6 - (-3)

9

400

-10 + (-8)

-10 - 8

400

-10 - 2

-10 + (-2)

400

0

0 is always 0 :)

400

-5 - (-6)

1

500

8 + 7

8 - (-7)

500

7 - (-4)

7 + 4

500

6

-6

500

3 - (-8)

5