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
16___4
___316
5___3
21___
52___
5___4
7___1
128___
___11
___63
___85
___131
9___5
2___1
19___17
15___5
___39
___21
146___
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