Abstract
The present study reports on curriculum design implemented in eight parallel classes of high school, with students aged 14–15, by means of work-sheets dealing with properties of the principal plane geometric figures. Van Hiele’s theory was used to facilitate teachers’ discussion of student performances on work-sheets in order to enhance their didactical awareness. We hypothesize that van Hiele’s theory is a proper means to provide encouragement and support for teachers in rethinking their teaching goals and practices. This environment enables teachers to manage their students’ transition from the perception of a figure to its definition. In this paper, we will recount a teachers’ discussion as it unfolded in a school-university work group. The analysis of students’ work on work-sheets interweaves with an analysis of the teaching actions that foster the process of understanding definitions.
Résumé
La présente étude rend compte d’un programme mis en pratique dans 8 classes parallèles de niveau secondaire, auprès d’étudiants de 14 et 15 ans, grâce à des fiches d’exercices traitant des propriétés qui caractérisent les principales figures géométriques planes. La théorie de van Hiele a été utilisée pour faciliter la discussion chez les enseignants quant au rendement des élèves dans ces fiches d’exercices, afin d’affiner leur niveau de conscience pédagogique. Nous posons comme hypothèse que la théorie de van Hiele constitue un instrument adéquat pour encourager et soutenir les enseignants qui souhaitent revoir leurs objectifs et leurs pratiques d’enseignement. Un tel environnement permet aux enseignants d’aider leurs élèves à faire la transition qui consiste à passer de la perception d’une figure à sa définition. Dans cet article, nous rapportons certaines discussions entre enseignants, telles qu’elles ont eu lieu au sein d’un groupe de travail mixte scolaire et universitaire. L’analyse du travail fait par les étudiants sur les fiches d’exercices est ensuite mise en rapport avec l’analyse des techniques d’enseignement servant à favoriser le processus de compréhension des définitions.
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Cannizzaro, L., Menghini, M. From Geometrical Figures to Definitional Rigour: Teachers’ Analysis of Teaching Units Mediated through Van Hiele’s Theory. Can J Sci Math Techn 6, 369–386 (2006). https://doi.org/10.1080/14926150609556711
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DOI: https://doi.org/10.1080/14926150609556711