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.

21___
10___5
75___
42___
3___2
10___1
___181
19___15
___33
___811
6___2
2___1
155___
8___4
13___12
4___2
5___1
5___4
___21
6___2
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