Working with artefacts: gestures, drawings and speech in the construction of the mathematical meaning of the visual pyramid |
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| Authors: | Michela Maschietto and Maria G Bartolini Bussi |
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| Institution: | (1) Dipartimento di Matematica, University of Modena and Reggio Emilia, Modena, Ital, y |
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| Abstract: | This paper reports a part of a study on the construction of mathematical meanings in terms of development of semiotic systems
(gestures, speech in oral and written form, drawings) in a Vygotskian framework, where artefacts are used as tools of semiotic
mediation. It describes a teaching experiment on perspective drawing at primary school (fourth to fifth grade classes), starting
from a concrete experience with a Dürer’s glass to the interpretation of a new artefact. We analyse the long term process
of appropriation of the mathematical model of perspective drawing (visual pyramid) through the development of gestures, speech
and drawings under the teacher’s guidance.
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| Keywords: | Artefact Semiotic systems Visual pyramid Primary school |
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