Designing GeoGebra Tasks for Visualization and Reasoning

Autor:Anthony OR 柯志明

Presentation in GeoGebra Global Gathering 2015 Or, A.C.M. (2013). Designing tasks to foster operation apprehension for visualization and reasoning in dynamic geometry environment. In C. Margolinas (Ed.) Task Design in Mathematics Education: Proceedings of ICMI Study 22, pp. 89-98, Oxford, U.K. https://hal.archives-ouvertes.fr/hal-00834054v3.

Designing GeoGebra Tasks for Visualization and Reasoning

Tabla de contenidos

Duval's Model of Visualization and Reasoning in Geometry
- Duval's Model of Visualization and Reasoning in Geometry
Operative Apprehension: From Quadrilateral Dissection to Dudeney's Puzzle
Robust and Soft Constructions
Soft Construction as Operative Apprehension to Foster Visualization and Reasoning
- Soft Construction as Operative Apprehension to Foster Visualization and Reasoning
Challenges
- Equilateral Triangle on 3 Parallel Lines
- Equilateral Triangle Inscribed in a Triangle
Solutions of Challenges
Answers of Challenges by Irina Boyadzhiev
- Answer to the first challenge by Anthony OR - GGG 2015
- Answer to the second challenge by Anthony OR - GGG 2015

Duval's Model of Visualization and Reasoning in Geometry

Designing GeoGebra Tasks for Visualization and Reasoning

Tabla de contenidos

Duval's Model of Visualization and Reasoning in Geometry

Operative Apprehension: From Quadrilateral Dissection to Dudeney's Puzzle

Robust and Soft Constructions

Soft Construction as Operative Apprehension to Foster Visualization and Reasoning

Challenges

Solutions of Challenges

Answers of Challenges by Irina Boyadzhiev

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