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Direct linkLandman, Greisy Winicki – Australian Senior Mathematics Journal, 2004
This article presents two classroom episodes in which students were exposed to the value of asking questions and to the different roles played by proof in mathematics. The conversation in the two episodes is outlined in the article. The setting was a classroom of fifteen good high-school students, who were studying calculus. These episodes…
Descriptors: Mathematics, High School Students, Teaching Methods, Mathematics Instruction
Abu-Saymeh, S.; Hajja, M. – International Journal of Mathematical Education in Science & Technology, 2005
A point "E" inside a triangle "ABC" can be coordinatized by the areas of the triangles "EBC," "ECA," and "EAB." These are called the barycentric coordinates of "E." It can also be coordinatized using the six segments into which the cevians through "E" divide the sides of "ABC," or the six angles into which the cevians through "E" divide the angles…
Descriptors: Geometry, Geometric Concepts, Mathematics Education, Class Activities
