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
12___4
1810___
5___1
18___12
19___13
21___
___212
72___
156___
4___2
171___
15___11
182___
18___4
10___5
6___1
155___
___62
43___
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