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.

53___
17___13
7___3
12___9
52___
143___
206___
157___
19___6
8___1
9___1
12___4
5___1
43___
32___
21___
19___8
133___
87___
___21
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