RT @tperran: RT @EducateBooks: Math teachers -- please RT. I'm trying to create a twitter list for math teachers nationwide. #math #edch ...
Retweeted by Greg McVerry; original attribution is retained below.
RT @tperran: RT @EducateBooks: Math teachers -- please RT. I'm trying to create a twitter list for math teachers nationwide. #math #edch ...
By Greg McVerry · Permalink · Original tweet
