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|Jim Wilson, Dept. of Mathematics Education, Univ. of Georgia|
|For a course on Using Computers in Mathematics Instruction. Friday the 13th (show there are at most three and at least one Friday the 13th in each year, consider when two consecutive months can be have Friday the 13th); Gingerbread Man (a Microsoft Excel file to illustrate interation of a seed point); Napoleon's Triangle (a GSP sketch); A Brick and a Half; A circle tangent to a given line and a given circle; Bullseye (a Sketch by Pam Turner; Inversion; Some Explorations with Sequences; Rotate Triangle; Pappas Areas; Polygonal Path; Triangle Constructions; Tangrams; Three Circle; Trisections of the areas of triangles; Bisecting the area of a triangle; The Gergonne Point of a Triangle.|
|Levels:||High School (9-12), College|
|Resource Types:||Courses, Lesson Plans and Activities, Documents/Sketches/Galleries, General Software Miscellaneous, Geometer's Sketchpad|
|Math Topics:||Conic Sections and Circles, Triangles and Other Polygons, Logic/Foundations, Sequences and Sets, Graphing of Data|
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