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ERIC Number: EJ1049676
Record Type: Journal
Publication Date: 2015-Feb
Pages: 26
Abstractor: As Provided
ISSN: ISSN-1571-0068
Spaces for Geometric Work: Figural, Instrumental, and Discursive Geneses of Reasoning in a Technological Environment
Gómez-Chacón, Inés Ma; Kuzniak, Alain
International Journal of Science and Mathematics Education, v13 n1 p201-226 Feb 2015
The main goal of this research was to assess the effect of a dynamic environment on relationships between the three geneses (figural, instrumental, and discursive) of Spaces for Geometric Work. More specifically, it was to determine whether the interactive geometry program GeoGebra could play a specific role in the geometric work of future teachers. The training reveals education students' use of intuitive and deductive reasoning as well as their degree of cognitive flexibility in using different facets of geometrical work. The study shows that a perspective on the development of geometric reasoning must be integrated in the development of skills for future teachers. In particular, a focus on the construction of a discursive genesis linked with elements of figural genesis must be added to the traditional focus on instrumental genesis. This reasoning requires in particular a reflection on the role of properties in developing a form of geometry directed by practical (Geometry I) or more axiomatic (Geometry II) goals.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A