Simple Addition

Front 1

0 + 0 =

Back 1

0

Front 2

0 + 1 =

Back 2

1

Front 3

0 + 2 =

Back 3

2

Front 4

0 + 3 =

Back 4

3

Front 5

0 + 4 =

Back 5

4

Front 6

0 + 5 =

Back 6

5

Front 7

2 + 2 =

Back 7

4

Front 8

2 + 3 =

Back 8

5

Front 9

2 + 4 =

Back 9

6

Front 10

2 + 5 =

Back 10

7

Front 11

3 + 3 =

Back 11

6

Front 12

3 + 4 =

Back 12

7

Front 13

3 + 5 =

Back 13

8

Front 14

4 + 4 =

Back 14

8

Front 15

4 + 5 =

Back 15

9

Front 16

5 + 5 =

Back 16

10