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Math » Number & Operations

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Helping Your Child Learn Math features dozens of fun activities parents can use to help children (K-5th grade) have fun...

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Math Forum provides high-quality math education content. The site features a problem of the week for...

GeoGebra is a free and multi-platform dynamic mathematics software for schools that joins geometry, algebra and calculus.

Journal of Online Mathematics and its Applications offers articles, learning modules, "mathlets" (single-purpose learning tools), reviews of...

Question #2 of 'Properties of Parallelograms',... Find the values of AB and x when BC=26, CD=22, and DA=2x+12.

Collected Learning Units in Mathematics provides more than 200 instructional units in arithmetic, algebra, calculus, data...


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National Science Foundation

National Science Foundation

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