Mathematical Droodles
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Cut the Knot!, Alexander Bogomolny  
Droodles were invented by Roger Price in 1950s. These were rather abstract drawings of few lines accompanied by an implicit question — "What is it?" A punch line — the author's answer — made the drawings obvious. A mathematical droodle is a visual object accompanied by a "What is it?" question to which there is at least one plausible answer with mathematical contents. In Drawing Worlds, R. N. Jackiw  creator of The Geometer's Sketchpad  argues for the pedagogical value of specialpurpose investigation environments. With applets that function as droodles.  


Levels:  High School (912), College 
Languages:  English 
Resource Types:  Problems/Puzzles, Articles, Web Interactive/Java 
Math Topics:  Conic Sections and Circles, Triangles and Other Polygons 
Math Ed Topics:  The Web and Pedagogy, Curriculum/Materials Development 
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