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___
165___
12___4
10___5
19___12
12___8
101___
11___10
42___
___115
___21
134___
166___
83___
53___
4___3
2___1
7___5
12___10
13___6
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