Khan Academy - 0 views
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KPI_Library Bookmarks on 13 Jul 12Website offering a library of over 2,400 educational videos covering everything from arithmetic to physics, finance, and history and 150 practice exercises.
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KPI_Library Bookmarks on 13 Jul 12AH offered Khan Academy exercises to students as an alternative to homework. In many cases, those who took the Khan option in parallel to their classroom work really improved.