In this paper we show the objectives, the articulation andthe results of an activitiy realized whith the pupils of a 3rd grade of middle school (13 years old) concerning the study of the nets of a regular octahedron and the individuation of the links existing between them and the nets of a cube. Such activity, which has offered a good chance to bring the concrete world of the pupils closer to the notion of duality among regular polyhedra, was based on an experiment — carried out the previous year — in which the nets of a cube and of a right parallelepiped with two or three different dimensions were classified. With the former activity, instead, we chose to put the pupils in a situation in which they should operate on the non-right angles (both plane and dyhedron) and observe their reactions and difficulties.

Come allievi di terza media hanno studiato un collegamento tra gli sviluppi dell'ottaedro e del cubo / Pellegrino, Consolato; A. M., Arpinati Barozzi. - In: L'INSEGNAMENTO DELLA MATEMATICA E DELLE SCIENZE INTEGRATE. - ISSN 1123-7570. - STAMPA. - 16-B (n. 3):(1993), pp. 383-398.

Come allievi di terza media hanno studiato un collegamento tra gli sviluppi dell'ottaedro e del cubo

PELLEGRINO, Consolato;
1993

Abstract

In this paper we show the objectives, the articulation andthe results of an activitiy realized whith the pupils of a 3rd grade of middle school (13 years old) concerning the study of the nets of a regular octahedron and the individuation of the links existing between them and the nets of a cube. Such activity, which has offered a good chance to bring the concrete world of the pupils closer to the notion of duality among regular polyhedra, was based on an experiment — carried out the previous year — in which the nets of a cube and of a right parallelepiped with two or three different dimensions were classified. With the former activity, instead, we chose to put the pupils in a situation in which they should operate on the non-right angles (both plane and dyhedron) and observe their reactions and difficulties.
1993
16-B (n. 3)
383
398
Come allievi di terza media hanno studiato un collegamento tra gli sviluppi dell'ottaedro e del cubo / Pellegrino, Consolato; A. M., Arpinati Barozzi. - In: L'INSEGNAMENTO DELLA MATEMATICA E DELLE SCIENZE INTEGRATE. - ISSN 1123-7570. - STAMPA. - 16-B (n. 3):(1993), pp. 383-398.
Pellegrino, Consolato; A. M., Arpinati Barozzi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/594672
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