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.

___124
173___
12___4
21___
15___8
___14
107___
1211___
102___
___21
16___8
133___
9___4
19___13
32___
13___10
___106
119___
15___13
21___
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