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___
15___12
42___
___315
___27
113___
21___
1310___
131___
___515
112___
202___
12___5
53___
64___
2___1
82___
102___
21___
___32
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