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.

173___
___33
161___
114___
17___3
___12
4___1
63___
___310
65___
1310___
8___4
___110
13___4
21___
64___
61___
153___
___312
42___
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