The study presented in this article investigates forms of "mathematical" interaction in different social settings. One major interest is to better understand mathematics teachers' joint professional discourse while observing and analysing young students mathematical interaction followed by teacher's intervention. The teachers' joint professional…

One could focus on many different aspects of improving the quality of mathematics teaching. For a better understanding of children's mathematical learning processes or teaching and learning in general, reflection on and analysis of concrete classroom situations are of major importance. On the basis of experiences gained in a collaborative research…

Focuses on one central aspect of epistemological mathematical knowledge, namely the problematique of how mathematical signs and symbols gain meaning in the interactive social processes of teaching and learning. Describes a teaching episode and analyzes it from an epistemological perspective. Identifies three components of epistemological knowledge…