How to use the exercise
Use the rule of - 0 to do the math
Score
________
Underline the Grade
A
B
C
1) 7 - 0 = ________ 2) 4 - 0 = ________ 3) 15 - 0 = ________ 4) 10 - 0 = ________ 5) 9 - 0 = ________ 6) 88 - 0 = ________ 7) 99 - 0 = ________ 8) 69 - 0 = ________ 9) 11 - 0 = ________ 10) 22 - 0 = ________