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.

17___15
2___1
20___6
13___2
___21
21___
19___9
___114
20___5
___56
15___13
159___
___31
127___
145___
7___6
51___
1610___
112___
64___
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