6 + 6 = ____ 3 + 7 = ____ 1 + 5 = ____

20 + 6 = ____ 8 + 4 = ____ 0 + 0 = ____

10 + 10 = ____ 2 + 6 = ____ 8 + 1 = ____

10 + 8 = ____ 2 + 6 = ____ 9 + 4 = ____

20 + 6= ____ 1 + 0 = ____ 3 + 3 = ____

0 + 7 = ____ 8 + 8 = ____ 7 + 4 = ____

10 + 5 = ____ 1 + 8 = ____ 3 + 3 = ____

9 + 6 = ____ 1 + 5 = ____ 2 + 7 = ____

30 + 1 = ____ 5 + 2 = ____ 2 + 2 = ____

8 + 6 = ____ 1 + 5 = ____ 7 + 2 = ____