Addition facts to 20

Front

3 + 9 = ?

Back

12

Front

9 + 2 = ?

Back

11

Front

10 + 5 = ?

Back

15

Front

11 + 4 = ?

Back

15

Front

4 + 7 = ?

Back

11

Front

2 + 2 = ?

Back

4

Front

5 + 5 = ?

Back

10

Front

6 + 3 = ?

Back

9

Front

7 + 2 = ?

Back

9

Front

8 + 1 = ?

Back

9