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.

4___1
19___18
___13
___21
14___2
5___1
17___5
1413___
___32
___713
4___3
172___
71___
16___4
109___
20___1
153___
3___1
___68
___53
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