Manu Prakash, the developer of the foldscope microscope reported on in this paper, stated that it is important to use tools that can support open-ended inquiry in the classroom, without dumbing down those tools. Scientific equipment in the school laboratory is often very expensive and only available to those who can afford it. "Frugal…

This study aimed to: (1) determine the effect of the problem-based service learning model based on the local wisdom of gugur gunung on the environmental concern of the students in Public Senior High School 1 Campurdarat; (2) determine the effect of problem based service learning models on the ability to write scientific papers at Public Senior…

The 43rd meeting of Canadian Mathematics Education Study Group (CMESG) was held at St. Francis Xavier University in Antigonish, Nova Scotia (May 31-June 4, 2019). This meeting marked only the third time CMESG/GCEDM (Groupe Canadien d'Étude en Didactique des Mathématiques) had been held in Nova Scotia (1996, 2003), and the first time it had been…

These proceedings contain the papers of the IADIS International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA 2013), October 22-24, 2013, which has been organized by the International Association for Development of the Information Society (IADIS), co-organized by The University of North Texas (UNT), sponsored by the…