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.

10___5
3___1
1713___
18___17
19___1
192___
21___
31___
137___
1812___
1817___
___119
82___
___315
___117
61___
4___1
31___
13___12
31___
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