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YouTube is a place to discover, watch, upload and share videos.

An encyclopedic collection of math resources for all grades. Arithmetic games, problems, puzzles, and articles

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

Action packed math site for elementary and middle school students featuring math games, math word problems, math worksheets, logic puzzles, and math videos.

Education.com provides expert advice, features, columns, thousands of reference articles, and a community for parents of pre-school to high school students. Find parenting and educational resources, advice and tips right here at Education.com!

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Known for the ACT test, a college entrance exam, ACT is a nonprofit organization offering educational and workplace measurement and research services.

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.