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___3
___910
43___
___12
143___
21___
___513
52___
1610___
12___1
15___13
20___5
18___14
19___17
___910
___711
21___
118___
___43
106___
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