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.

139___
10___9
13___12
112___
___131
42___
9___4
106___
19___1
7___5
8___5
166___
107___
21___
10___4
___55
___29
___115
73___
___116
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