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.

20___15
20___16
147___
19___18
31___
___117
146___
135___
189___
21___
54___
7___4
___182
___810
5___4
9___6
___316
19___9
___11
51___
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