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.

15___1
15___4
73___
21___
75___
___64
71___
17___2
139___
17___2
___15
145___
___21
21___
1916___
7___5
2___1
1614___
___312
43___
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