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 Episodes in the History of Geometry through Models in Dynamic Geometry Utilizing dynamic models to explain different aspects of geometry can be a powerful pedagogical tool. This is exactly what inspired Eduardo Veloso and Rita Bastos to write this classroom exercise for the Mathematical Association of America's "Convergence" site. In this exercise, mathematics educators will receive an introduction to several key aspects of the history of geometry through four... http://www.maa.org/press/periodicals/convergence/episodes-in...
 Mathematics and Student Life Skills This course, designed for Miami Dade Community College, integrates arithmetic and beginning algebra for the undergraduate student. By applying math to real-life situations most students experience during college, the instructors attempt to make math both fun and applicable. The instructors specifically wish to dissipate the anxiety many college students feel when approaching math at an advanced... http://www.mac3.matyc.org/math_prep_life_skills/math_prep_li...
 Triangle Classification This geometry lesson from Illuminations presents the Triangle Classification problem. Students will attempt to classify the triangles formed in a plane when a randomly selected point is connected to the endpoints of a given line segment. Students should have access to a computer with internet access for the lesson. The material is intended for grades 9-12 and should require 1 class period to... http://illuminations.nctm.org/Lesson.aspx?id=2195
 Wallpaper Groups: The Discontinuous Groups of Rotation and Translation in the Plane An undergraduate tutorial on wallpaper groups, with illustrations of the 17 wallpapers groups and a wallpaper gallery. Technically, the derivation of all discontinuous groups of rotation and translation in the plane. Contents include: Some Theorems on Rotation and Translation; The Discontinuous Groups of Rotation and Translation in the Plane; Derivation and Classification of Groups; Appendix: The... http://xahlee.info/Wallpaper_dir/c0_WallPaper.html
 BitArt - Spirolateral Series Click on a spirolateral in one of these galleries to display a full-size version; see a self-running demonstration of a variety of spirolaterals, or generate one of your own and see all the reversals. "The Art of Spirolateral Reversals," a paper available in PDF format, "continues an investigation into spirolaterals as geometry to generate artistic forms of unexpected complexity and beauty...... http://www.mi.sanu.ac.rs/vismath/krawczyk/spdesc02.htm
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