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.

21___
75___
___21
43___
___171
16___13
___152
12___1
19___3
12___3
81___
2___1
41___
4___2
142___
12___10
___911
1513___
8___1
19___14
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