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___
81___
2___1
1816___
1110___
63___
10___3
146___
1512___
4___3
20___9
15___11
144___
5___1
___44
6___1
___111
84___
3___1
2___1
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