adding and subtracting within 10

Front

7 - 1 = ?

Back

6

Front

1 + 8 = ?

Back

9

Front

8 + 2 = ?

Back

10

Front

7 - 4 = ?

Back

3

Front

1 - 1 = ?

Back

0

Front

5 + 4 = ?

Back

9

Front

3 + 6 = ?

Back

9

Front

9 - 2 = ?

Back

7

Front

4 + 5 = ?

Back

9

Front

10 - 1 = ?

Back

9