Home » Math Worksheet Generators » Addition – Three 3-digit numbers

Note: this page contains legacy resources that are no longer supported. You are free to continue using these materials but we can only support our current worksheets, available as part of our membership offering.

Addition – Three 3-digit numbers

Related Resources

The various resources listed below are aligned to the same standard, (4NBT04) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above.

Fluently add and subtract multi-digit whole numbers using the standard algorithm.


Third/ Fourth Grade

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Use place value understanding and properties of operations to perform multi-digit arithmetic