Potentially invaluable resource for Science teachers: http://t.co/F2c2fNIQcO a synthesis of research directly from scientists #PBLchat
— Geoff Krall (@emergentmath) May 20, 2014
via Twitter http://ift.tt/1irf3Ok
May 20, 2014 at 12:49PM
Potentially invaluable resource for Science teachers: http://t.co/F2c2fNIQcO a synthesis of research directly from scientists #PBLchat
— Geoff Krall (@emergentmath) May 20, 2014
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