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.

___23
___311
145___
19___7
18___2
8___3
16___13
14___12
9___5
20___18
32___
1711___
1312___
43___
___135
81___
13___1
42___
___65
5___1
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