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___
3___2
13___12
7___3
159___
111___
1413___
___118
1312___
5___4
4___2
2___1
121___
42___
177___
20___9
194___
12___7
13___11
15___10
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