As part of the Klein Workshop more than 80 teachers from Berlin and the region participated in a teacher training session.

The secondary teacher training (public day) had been held on Thursday, September 19, 2013 from 14:00-18:00 at the Humboldt University in Berlin, Germany. Speakers were participants from the Klein Workshop and members of the Faculty of Mathematics of the Humboldt University. More than 80 teachers attended the workshop.

Information and material can be found here.