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
___13
177___
19___10
8___3
___21
111___
10___4
15___10
18___13
___13
1310___
121___
___12
159___
14___8
___411
1410___
19___2
109___
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