Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

74___
75___
21___
42___
63___
3___2
1910___
149___
___78
19___16
6___5
___42
165___
11___8
12___4
52___
16___1
21___
17___5
13___9
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