In an article about teaching students about mean, median and mode during English class, Todd Seal casually links to Next Vista's collection of math videos. There are minute long clips on simplifying fractions, adding negative integers, comparing ratios, and other Pre-Algebra/ Algebra topics. They are very short and very clear. On Friday I assigned the watching of any three of these over the weekend for homework, and already an Algebra kid has e-mailed to say they were helpful.

What if similarly focused mini-lessons on all the California Math standards were available for free online? It seems such an obvious idea that it's almost surprising that it isn't there already - but I haven't seen anything more comprehensive around. Have you?

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