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Keith's Think Zone

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Visit this site: http://thinkzone.wlonk.com/

Author:Keith Enevoldsen
Description: Fun math miscellany about number sets, n-dimensional hyperspheres and hyperballs, big numbers, areas and volumes, angles — the revolution, shortcut arithmetic, and more. See, in particular, the brain teasers "deadly disease puzzler" and "the world's hardest easy geometry problem."

Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles
Math Topics: Arithmetic/Early Math, Higher-Dimensional Geometry, Euclidean Plane Geometry, Sequences and Sets, Statistics

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