Addition of two single-digit numbers: Game #1 Game #2 Game #3 Game #4 Game #5 Game #6 Game #7 Game #8 Game #9 Game #10 |
Subtraction of two single-digit numbers: Game #11 Game #12 Game #13 Game #14 Game #15 Game #16 Game #17 Game #18 Game #19 Game #20 |