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Peer reviewedBird, M. T. – Mathematics Teacher, 1971
Descriptors: Geometric Concepts, Inequalities, Mathematics, Measurement
Peer reviewedHudson, Sandra – Mathematics Teacher, 1994
Discusses an activity using lined paper and rulers to discover and prove the triangle proportionality theorem. (MKR)
Descriptors: Discovery Learning, Induction, Mathematics Education, Mathematics Instruction
