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Panov, Alexey – Quantum, 1992
The game "Pythagoras" is an adaptation of the tangram puzzle. Describes the process of finding all the possible convex polygons with seven sides to prove that the solution to a given puzzle shape of seven sides difficult to find was not possible. (MDH)
Descriptors: Cognitive Processes, Cognitive Style, Discovery Processes, Educational Games

Hoffer, Alan R. – Mathematics Teacher, 1993
Discusses the potential that school mathematics has for being a source of exploration and discovery for students and teachers. Provides a process-oriented definition of understanding mathematics. Presents activities in which students construct computer and actual models of polyhedra and make conjectures regarding a medical research application of…
Descriptors: Class Activities, Cognitive Development, Cognitive Processes, Comprehension