Fun with Adding Numbers

Front

1 + 1

Back

2

Front

2 + 2

Back

4

Front

3 + 1

Back

4

Front

4 + 0

Back

4

Front

5 + 1

Back

6

Front

2 + 3

Back

5

Front

1 + 4

Back

5

Front

3 + 2

Back

5

Front

0 + 5

Back

5

Front

4 + 1

Back

5