1) What number is missing: 1,2,3,5,6,7 a) 9 b) 4 c) 3 d) 10 2) What number is missing: 1,2,3,4,5,6,7,9,10,11 a) 1 b) 5 c) 8 d) 9 3) what number is missing: 1,3,4,5,6,7 a) 1 b) 7 c) 2 d) 10 4) What number is missing: 1,2,3,4,6,7,8,9,10 a) 1 b) 3 c) 7 d) 5 5) What number is missing: 1,2,3,4,5,6,7,8,9,10,11,13 a) 3 b) 7 c) 5 d) 12 e) 10 6) What number is missing: 1,2,3,4,6,7,8,9,10,11,12,13 a) 3 b) 4 c) 7 d) 5 7) What numbers are missing: 1,2,3,5,6,7,9,10 a) 1 & 3 b) 2 & 5 c) 4 & 8 d) 5 & 6 8) What numbers are missing: 1,3,4,5,7,8,9,10 a) 1 & 3 b) 2 & 6 c) 3 & 7 d) 4 & 8 9) What numbers are missing: 1,2,4,5,6,7,8,9,11 a) 1 & 2 b) 3 & 10 c) 6 & 7 d) 4 & 6 10) What numbers are missing: 1,3,4,5,6,7,9,10,11 a) 1 & 3 b) 2 &5 c) 7 & 10 d) 2 & 8 11) What numbers are missing: 1,2,3,5,6,7,8,9,10,11,12,14 a) 4 & 13 b) 1 & 10 c) 2 & 12 d) 4 & 9 12) What numbers are missing: 1,2,3,4,5,7,8,9,10,11,12,13,15 a) 1 & 4 b) 6 & 14 c) 7 & 13 d) 5 & 11

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