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Working with Accurate Representations: The Case of Preconstructed Dynamic Geometry Sketches
Article

, York University, Canada

JCMST Volume 23, Number 2, ISSN 0731-9258 Publisher: Association for the Advancement of Computing in Education (AACE), Waynesville, NC USA

Abstract

The ability to display an accurate image is commonly assumed to be a benefit of dynamic geometry software—it seems reasonable to conclude that the task of noticing and interpreting relationships between objects is easier if figures are drawn to scale. However, results of a study involving preconstructed, web-based, dynamic, geometry sketches in activities at the secondary school level revealed that many students either do not realize or ignore the fact that the onscreen image is accurate, and that others, who recognize and might want to use visual evidence, lack the tools to do so.

Citation

Sinclair, M. (2004). Working with Accurate Representations: The Case of Preconstructed Dynamic Geometry Sketches. Journal of Computers in Mathematics and Science Teaching, 23(2), 191-208. Norfolk, VA: Association for the Advancement of Computing in Education (AACE). Retrieved August 15, 2020 from .

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