Activity
University of Cambridge

University of Cambridge: Nrich: Napier's Bones

For Students 3rd - 8th Standards
Use this one page website to learn how to multiply and divide a "new" way. This method was invented over 400 years ago by John Napier. A detailed explanation is only a click away.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Distributive Property Illustrated

For Students 6th - 8th Standards
This is part of a math forum at Drexel University. A student gets frustrated when asked to solve a problem using the distributive property. Never fear. Dr. Math to the rescue! Illustrations and detailed examples help provide...
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Khan Academy

Khan Academy: Math: 3rd Grade: Multiply by 7 (Practice)

For Students 3rd
Math 14-problem practice exercise on multiplying by 7.
Interactive
Amby Duncan-Carr

Amby's Math Resources: Finding the Area of a Rectangle

For Students 3rd - 7th Standards
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.

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