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.

1711___
73___
43___
169___
20___12
54___
___21
___64
12___5
21___
21___
1817___
8___4
___114
16___8
15___13
___510
138___
4___1
2___1
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