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___
5___4
1910___
20___7
18___1
2___1
5___2
12___3
___414
___413
42___
13___9
___172
___106
19___5
41___
138___
82___
119___
175___
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