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___
53___
20___15
___11
___812
7___3
2___1
15___14
___51
5___4
___86
___81
178___
19___3
16___14
___43
1810___
18___1
___112
8___4
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