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