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Peer reviewedSiegel, Steven L. – Mathematics Teacher, 1982
A problem involving the search for an equivalence class of triangles is viewed to provide several exciting and satisfying moments of insight. After solving the original problem, there is a brief discussion of a slight variation and several notes regarding related theorems and ideas. References for additional exploration are provided. (MP)
Descriptors: Discovery Learning, Geometric Concepts, Mathematical Enrichment, Mathematics Instruction
Peer reviewedMcClintock, Ruth – Mathematics Teacher, 1993
Presents a cooperative-learning lesson in which high school students visit stations equipped with different tools to establish the midpoint of a Pixy Stix, a brand of candy-filled straw. Provides solutions for two potential stations, suggestions to extend the activity, and two activity worksheets. (MDH)
Descriptors: Analytic Geometry, Classroom Communication, Cooperative Learning, Discovery Learning
