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___
10___1
149___
___410
1210___
145___
5___2
12___11
18___13
___153
12___10
42___
2___1
12___8
52___
149___
8___2
83___
___104
128___
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