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___
126___
3___2
6___3
15___9
20___15
65___
72___
143___
17___11
177___
75___
94___
12___7
42___
203___
___151
9___6
106___
18___11
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