Instruments of semiotic mediation in algebra, an example

Michele Cerulli (1)

1 Department of Mathematics

The paper presents a class discussion which was set up within a long term experiment concerning the use of a software, L'Algebrista, to introduce pupils to theoretical thinking and symbolic manipulation. From the analysis of the discussion we will illustrate some aspects of how a teacher can use an instrument of semiotic mediation in order to guide the genesis and evolution of new concepts.

Mots clés: didactic of mathematics; semiotic mediation; proving; theoretical thinkings; theory of instruments of semiotic mediation; technology enhanced learning (TEL); instruments; technology enhanced learning in mathematics (TELMA); instruments of semiotic mediation; semiotic split; semiotic approach; class discussions; conjecturing; proving process; mathematical class discussion; symbolic manipulation; algebra as a theory; semiotic node; semiotic systems; linking knowledge; pivot signs

Domaines: Environnements Informatiques pour l'Apprentissage Humain

Michele Cerulli. Instruments of semiotic mediation in algebra, an example. Third Conference of the European Society for Research in Mathematics Education (CERME 3), 2004, Bellaria, Italy. 8 p. ⟨hal-00190518⟩