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.

18___9
82___
___21
72___
12___11
31___
___21
8___6
17___15
31___
103___
___314
___12
1312___
19___7
31___
___77
8___2
64___
21___
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