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___
3___2
114___
21___
43___
42___
31___
___135
1914___
42___
7___6
15___5
___23
121___
43___
163___
16___2
146___
93___
9___4
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