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.

3___1
21___
1710___
18___1
___85
61___
1210___
5___4
___31
43___
52___
182___
___15
15___4
42___
17___5
14___6
2___1
9___2
149___
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