Math En Masse: Teaching Online For Free

NPR | Nov. 24, 2012 7:30 a.m. | Updated: Nov. 30, 2012 12:49 p.m.

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Host Scott Simon talks with Weekend Edition math guy Keith Devlin, who recently wrapped up his first MOOC, or massive open online course. He taught an Introduction to Mathematical Thinking course to 62,000 students from around the world, ages 16 to 70.