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.

156___
1513___
1712___
___21
20___12
2___1
81___
19___10
75___
___14
12___7
54___
2010___
9___3
21___
54___
8___5
16___8
17___14
1711___
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