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Muller, Kimberly O. – Mathematics Teacher, 2010
While serving in the U.S. Congress, Abraham Lincoln, a self-taught learner, mastered Euclid's Elements (Basler 1953). Most students today do not study mathematics for recreation. Unlike Lincoln, they need a little help in learning how to write a geometry proof. Today's technology--specifically, The Geometer's Sketchpad[R] (GSP)--can help make…
Descriptors: Secondary School Mathematics, Preservice Teachers, Mathematics Education, Geometry