Lifeless School Geometry and Questions That Require Proof. http://t.co/3i2WtdlSrO
— Dan Meyer (@ddmeyer) October 22, 2013
via Twitter https://twitter.com/ddmeyer
October 22, 2013 at 11:54AM
Lifeless School Geometry and Questions That Require Proof. http://t.co/3i2WtdlSrO
— Dan Meyer (@ddmeyer) October 22, 2013
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