Use the rule of doubles or counting lines to do the math
Score
________
Underline the Grade
A
B
C
1) 0 + 0 = ________ 2) 1 + 1 = ________ 3) 2 + 2 = ________ 4) 3 + 3 = ________ 5) 4 + 4 = ________ 6) 5 + 5 = ________ 7) 6 + 6 = ________ 8) 7 + 7 = ________ 9) 8 + 8 = ________ 10) 9 + 9 = ________ 11) 10 + 10 = ________