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Unit Plan
Discovery Education

Discovery Education: Web Math: How to Round a Number

For Students 3rd - 5th Standards
This site provides a description and helpful hints on how to round numbers to any place value. Content also includes an interactive problem solver complete with a full description of how the answer was accomplished.
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Unit Plan
Khan Academy

Khan Academy: Round to Nearest 10 or 100

For Students 2nd - 4th Standards
Practice rounding to the nearest ten and rounding to the nearest hundred. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints about rounding.