In this paper, we consider the first three steps of a teaching experiment in primary school (4th and 5th grade course) concerning the introduction of a mathematical machine for arithmetic (Zero+1) to reflect upon arithmetical operations and algorithms. The analysis presented here is carried out crossing the theoretical framework of semiotic mediation and the instrumental approach in mathematics education. The focus is students’ instrumental geneses and systems of instruments on one hand, their management by teacher on the other hand.
Instrumental geneses in mathematics laboratory / Maschietto, Michela. - STAMPA. - 3:(2011), pp. 201-208. (Intervento presentato al convegno 35th Conference of the International Group for the Psychology of Mathematics Education tenutosi a Ankara nel July 10-15, 2011).
Instrumental geneses in mathematics laboratory
MASCHIETTO, Michela
2011
Abstract
In this paper, we consider the first three steps of a teaching experiment in primary school (4th and 5th grade course) concerning the introduction of a mathematical machine for arithmetic (Zero+1) to reflect upon arithmetical operations and algorithms. The analysis presented here is carried out crossing the theoretical framework of semiotic mediation and the instrumental approach in mathematics education. The focus is students’ instrumental geneses and systems of instruments on one hand, their management by teacher on the other hand.
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