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.

___145
2___1
54___
20___4
2___1
1411___
___315
21___
153___
___513
___28
20___8
___65
___21
31___
10___6
8___2
___311
13___5
2___1
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