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.

___137
___23
21___
19___15
1810___
___51
118___
15___14
11___7
___63
1918___
158___
41___
82___
2___1
20___9
42___
2011___
___91
42___
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