Teaching with the World Peace Game

Here is a video by John Hunter, a 4th grade teacher, talking about how his students work out problems  of  world peace in a game he developed.

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From TED website: John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous, and always surprising -- go further than classroom lectures can.