Addition (Twos)

Front 1

2 + 0 =

Back 1

2

Front 2

2 + 1 =

Back 2

3

Front 3

2 + 2 =

Back 3

4

Front 4

2 + 3 =

Back 4

5

Front 5

2 + 4 =

Back 5

6

Front 6

2 + 5 =

Back 6

7

Front 7

2 + 6 =

Back 7

8

Front 8

2 + 7 =

Back 8

9

Front 9

2 + 8 =

Back 9

10

Front 10

2 + 9 =

Back 10

11

Front 11

2 + 10 =

Back 11

12

Front 12

2 + 11 =

Back 12

13

Front 13

2 + 12 =

Back 13

14