Name Date *Write the missing number. 17 + 1 = ☐ 11 + 9 = ☐ 1 16 15 + 1 = ☐ 10 + 9 = ☐ 2 17 18 + 1 = ☐ 9 + 9 = ☐ 3 18 15 + 2 = ☐ 7 + 9 = ☐ 4 19 17 + 2 = ☐ 8 + 8 = ☐ 5 20 18 + 2 = ☐ 7 + 8 = ☐ 6 21 15 + 3 = ☐ 8 + 5 = ☐ 7 22 5 + 13 = 11 + 8 = ☐ ☐ 8 23 15 + 2 = ☐ 12 + ☐ = 17 9 24 5 + 12 = ☐ 14 + = 17 ☐ 10 25 12 + 4 = 8 + = 17 ☐ ☐ 11 26 13 + 4 = + 7 = 16 ☐ ☐ 12 27 3 + 14 = ☐ ☐ + 7 = 15 13 28 17 + 2 = ☐ 9 + 5 = 10 + ☐ 14 29 12 + 7 = ☐ 7 + 8 = ☐ + 9 15 30
Name Date *Write the missing number. 1 17 + 1 = ☐ 16 11 + 9 = ☐ 2 15 + 1 = ☐ 17 10 + 9 = ☐ 3 18 + 1 = ☐ 18 9 + 9 = ☐ 4 15 + 2 = ☐ 19 7 + 9 = ☐ 5 17 + 2 = ☐ 20 8 + 8 = ☐ 6 18 + 2 = ☐ 21 7 + 8 = ☐ 7 15 + 3 = ☐ 22 8 + 5 = ☐ 8 5 + 13 = ☐ 23 11 + 8 = ☐ 9 15 + 2 = ☐ 24 12 + ☐ = 17 10 5 + 12 = ☐ 25 14 + ☐ = 17 11 12 + 4 = ☐ 26 8 + ☐ = 17 12 13 + 4 = ☐ 27 ☐ + 7 = 16 13 3 + 14 = ☐ 28 ☐ + 7 = 15 14 17 + 2 = ☐ 29 9 + 5 = 10 + ☐ 15 12 + 7 = ☐ 30 7 + 8 = ☐ + 9