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.

21___
19___4
1810___
16___12
20___15
169___
___25
113___
10___3
3___1
161___
9___3
52___
19___6
1815___
___152
1912___
13___3
___55
2013___
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