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.

152___
13___4
___89
___45
6___4
18___12
___42
7___3
___21
5___1
15___14
___49
15___11
___63
___215
19___7
___18
7___2
3___1
9___4
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