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.

108___
___145
82___
21___
11___5
31___
20___13
___73
17___14
21___
6___1
12___1
15___7
5___2
196___
1310___
21___
61___
___513
___12
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