1.   Find the sums.

6 + 6 = ___

6 + 7 = ___
    A. 13, 13 B. 13, 12
    C. 14, 13 D. 12, 13
    Hint
  2.   Find the sums.

1 + 1 = ___

1 + 2 = ___
    A. 3, 2 B. 4, 3
    C. 2, 3 D. 3, 3
    Hint
  3.   Find the sums.

7 + 7 = ___

7 + 6 = ___
    A. 11, 13 B. 14, 13
    C. 15, 14 D. 13, 12
    Hint
  4.   Find the sums.

9 + 9 = ___

9 + 10 = ___
    A. 18, 16 B. 18, 19
    C. 17, 18 D. 19, 20
    Hint
  5.   Find the sums.

8 + 8 = ___

8 + 9 = ___
    A. 17, 17 B. 16, 17
    C. 18, 16 D. 16, 16
    Hint