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.

___29
20___9
52___
51___
13___7
43___
___19
___13
___51
145___
___46
8___2
83___
19___16
64___
158___
41___
107___
___37
143___
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