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Math Facts to 20

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Addition and Subtraction Facts to 20

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20 + __ = 20

0

15

20 - __ = 20

0

15

__ + 20 = 20

0

15

20 - 20 =

0

15

1 + __ = 20

19

15

20 - __ = 1

19

15

__ + 1 = 20

19

15

20 - 1 = __

19

15

20 - __ = 18

2

15

18 + __ = 20

2

15

20 - 18 = __

2

15

__ + 18 = 20

2

15

17 + __ = 20

3

15

3 + __ = 20

17

15

20 - __ = 3

17

15

20 - 3 = __

17

15

1
2
3
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