Kathy Clark (USA) WG12: History in Mathematics Education Uffe Thomas Jankvist (Denmark) Snezana Lawrence (UK ) Jan van Maanen (The Netherlands) Ingvald Erfjord (Norway) WG13: Early Years Mathematics Mariolina Bartolini Bussi (Italy) Esther Levenson (Israel) Cecile Ouvrier-Buffet (France) Ghislaine Gueudet (France) Alejandro S. González-Martin (Spain/Canada) WG14: University mathematics education Elena Nardi (United Kingdom) Carl Winsløw (Denmark) Irene Biza (United Kingdom) Mirko Maracci (Italy) WG15: Technologies and resources in Jana Trgalova (France) Giorgos Psycharis (Greece) mathematics education Hans Georg Weigand (Germany) Mariana Bosch (Spain) WG16: Different theoretical perspectives / Ivy Kidron (Israel) John Monaghan (United Kingdom) approaches in research in mathematics education Luis Radford (Canada) Claire Berg (Norway) Charalambos Charalambous (Cyprus) C. Miguel Ribeiro (Portugal) WG17: From a study of teaching practices to Leonor Santos (Portugal) Despina Potari (Greece) issues in teacher education Skott (Denmark/Sweden) Lourdes Figueiras (Spain) Alena Hospesová (Czech Republic) Stefan Zehetmeier (Austria) Leader Co-leaders CERME 9 at Prague, Czech Republic (2015) Orly Buchbinder (United States) TWG1: Argumentation and Samuele Antonini (Italy) Kirsten Pfeiffer (Ireland) Gabriel Stylianides (United Kingdom) Véronique Battie (France) TWG2: Arithmetic and number systems Sebastian Rezat ( Germany) Lisser Rye Ejersbo (Denmark) Darina Jirotkova Republic) Heidi Strømskag Måsøval (Norway) TWG3: Algebraic thinking Jeremy Hodgen (UK) Valentina Postelnicu (Romania / USA)
WG12: History in Mathematics Education Uffe Thomas Jankvist (Denmark) Kathy Clark (USA) Snezana Lawrence (UK ) Jan van Maanen (The Netherlands) WG13: Early Years Mathematics Mariolina Bartolini Bussi (Italy) Ingvald Erfjord (Norway) Esther Levenson (Israel) Cecile Ouvrier-Buffet (France) WG14: University mathematics education Elena Nardi (United Kingdom) Ghislaine Gueudet (France) Alejandro S. González-Martin (Spain/Canada) Carl Winsløw (Denmark) Irene Biza (United Kingdom) WG15: Technologies and resources in mathematics education Jana Trgalova (France) Mirko Maracci (Italy) Giorgos Psycharis (Greece) Hans Georg Weigand (Germany) WG16: Different theoretical perspectives / approaches in research in mathematics education Ivy Kidron (Israel) Mariana Bosch (Spain) John Monaghan (United Kingdom) Luis Radford (Canada) WG17: From a study of teaching practices to issues in teacher education Despina Potari (Greece) Claire Berg (Norway) Charalambos Charalambous (Cyprus) C. Miguel Ribeiro (Portugal) Leonor Santos (Portugal) Skott (Denmark/Sweden) Lourdes Figueiras (Spain) Alena Hospesová (Czech Republic) Stefan Zehetmeier (Austria) CERME 9 at Prague, Czech Republic (2015) Leader Co-leaders TWG1: Argumentation and Samuele Antonini (Italy) Orly Buchbinder (United States) Kirsten Pfeiffer (Ireland) Gabriel Stylianides (United Kingdom) TWG2: Arithmetic and number systems Sebastian Rezat ( Germany) Véronique Battie (France) Lisser Rye Ejersbo (Denmark) Darina Jirotkova Republic) TWG3: Algebraic thinking Jeremy Hodgen (UK) Heidi Strømskag Måsøval (Norway) Valentina Postelnicu (Romania / USA)
CERME-History.docx