Addition and Subtraction Facts up to 20

Front

11 - 0 =

Back

11

Front

10 - 0 =

Back

10

Front

0 + 11 =

Back

11

Front

5 + 0 =

Back

5

Front

0 + 16 =

Back

16

Front

2 + 1 =

Back

3

Front

1+4 =

Back

5

Front

6 + 1 =

Back

7

Front

4-1=

Back

3

Front

5-1=

Back

4