12 + 1 = ____ 4 + 6 = ____ 3 + 4 = ____

17 + 1 = ____ 5 + 6 = ____ 2 + 4 = ____

11 + 1 = ____ 8 + 6 = ____ 5 + 4 = ____

19 + 1 = ____ 4 + 6 = ____ 6 + 4 = ____

27 + 1 = ____ 9 + 6 = ____ 5 + 4 = ____

33 + 1 = ____ 8 + 7 = ____ 4 + 4 = ____

12 + 1 = ____ 4 + 6 = ____ 3 + 4 = ____

13 + 1 = ____ 5 + 6 = ____ 2 + 4 = ____

31 + 1 = ____ 8 + 2 = ____ 6 + 4 = ____

16 + 1 = ____ 4 + 6 = ____ 6 + 7 = ____