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___
___125
___51
1915___
6___4
86___
5___4
7___4
159___
___117
19___11
13___1
63___
19___10
6___4
18___3
1210___
16___4
42___
14___13
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