Riddles from TED

I found these just last week–animated walkthroughs of some great brain teasers from TEDed. Amusing and effectively challenging!

There are more, so if you like these, check out the others.

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TED Ed

The TED conference has recently launched a new site dedicated to short, academic videos that might be used in a classroom.  The site, TED Ed, even includes lesson plans.  Here’s their YouTube channel.  Good stuff.