From Semi-Proof to Proof: Motivating Deductive Thinking Through Inductive Exploration
Moshe Stupel — Shaanan-Academic College of Education and Gordon-Academic College of Education
David Ben-Chaim — Technion-Israel Institute of Technology
↓ Download PDF
pp. 36–40
Abstract
In this short article, the authors introduce and prove a geometrical property involving externally tangent circles. Using an applet to model the problem situation, the authors illustrate how GeoGebra applets can serve as an accelerator of understanding, helping aid in the progression from inductive to deductive proof.
Keywords: circles, argumentation, proof, GeoGebra
Licensed under CC BY-NC-SA 4.0 · ISSN 2162-3856 · North American GeoGebra Journal