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.

21___
___11
___22
43___
41___
1711___
17___1
1913___
1915___
14___13
___110
___57
13___4
10___1
2011___
21___
73___
9___3
14___11
173___
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