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Focus on Learning Problems in…	1
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Movshovitz-Hadar, N.	1
Tirman, Alvin	1

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Pythagorean Triples.

Peer reviewed

Tirman, Alvin – Mathematics Teacher, 1986

Three theorems for Pythagorean triples are presented, with discussion of how students can amend their ideas about such numbers. (MNS)

Descriptors: Error Patterns, Geometric Concepts, Learning Activities, Mathematics Instruction

Students' Distortions of Theorems.

Movshovitz-Hadar, N.; And Others – Focus on Learning Problems in Mathematics, 1986

A collection of student distortions, represented by student-invented variations of theorems, are presented. They were drawn from examination papers of 17-year-old students in Israel. (MNS)

Descriptors: Algebra, Concept Formation, Educational Research, Error Patterns