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.

___173
___161
16___13
20___13
12___3
43___
81___
21___
___36
6___1
32___
19___13
71___
___65
1210___
___11
43___
31___
1918___
___115
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