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Adding combinations of 10

Use combinations of 10 to simplify adding numbers

These worksheets give practice adding two single digit numbers together mentally using combinations of ten (e.g. 8+ 5 = 8 + 2 + 3 = 10 + 3 = 13).  All sums are between 10 and 20. 

More addition worksheets

Find all of our addition worksheets, from adding by counting objects  to addition of multiple large numbers in columns.

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