Robert Kaplinsky
@robertkaplinsky
Math educator. ❤️ teachers. @openmiddle co-founder. #OpenMiddleBook author. #ObserveMe creator. @GrassrootsWS President. Get my emails: bit.ly/rkupdates
ID: 745583288
https://robertkaplinsky.com 08-08-2012 17:14:25
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