Addition Worksheet: Number Bonds to 100

Write the missing numbers that add up to 100. The first one is done for you.
42 + 58 = 100	56 + 44 = 100	46 + 54 = 100
84 + 16 = 100	78 + 22 = 100	62 + 38 = 100
5 + 95 = 100	67 + 33 = 100	24 + 76 = 100
27 + 73 = 100	79 + 21 = 100	62 + 38 = 100
28 + 72 = 100	15 + 85 = 100	48 + 52 = 100
32 + 68 = 100	23 + 77 = 100	64 + 36 = 100
70 + 30 = 100	71 + 29 = 100	60 + 40 = 100
14 + 86 = 100	42 + 58 = 100	7 + 93 = 100
89 + 11 = 100	18 + 82 = 100	80 + 20 = 100
82 + 18 = 100	83 + 17 = 100	25 + 75 = 100
12 + 88 = 100	77 + 23 = 100	8 + 92 = 100
91 + 9 = 100	67 + 33 = 100	47 + 53 = 100
95 + 5 = 100	44 + 46 = 100	49 + 51 = 100
62 + 38 = 100	16 + 84 = 100	72 + 28 = 100