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.

18___3
2___1
172___
___63
20___13
2___1
54___
___32
21___
134___
___77
87___
13___11
___611
10___1
1816___
___412
157___
158___
2___1
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