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.

4___1
___22
52___
___12
___313
111___
15___12
1714___
1816___
1715___
42___
12___11
3___1
43___
13___12
7___6
21___
2___1
___99
___151
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