Developing Geometric Thinking: The Van Hiele Levels Adapted from Van Hiele, P. M. (1959). Development and learning process. Acta Paedogogica Ultrajectina (pp. 1-31). Groningen:…
WORKING GROUP 7 Research on Geometrical Thinking CONTENTS Research on Geometrical Thinking Angel Gutiérrez, Alain Kuzniak, Rudolf Straesser Developing geometrical reasoning…