Three for the Money: The Degree/Diameter Problem (MegaMath)
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http://www.ccs3.lanl.gov/megamath/workbk/graph/grthree.html  


Nancy Casey; Los Alamos National Laboratory  
Students can understand and work on an unsolved problem in mathematics. There is a good chance that this problem can be solved by someone who spends enough time experimenting with it. The only skills required to work on it are the ability to draw dots and connect them with lines, and the understanding of four ideas related to graphs: degree, diameter, planarity, and size. With ideas for discussion.  


Levels:  Elementary, Middle School (68), High School (912) 
Languages:  English 
Resource Types:  Lesson Plans and Activities, Problems/Puzzles 
Math Topics:  Graph Theory 
Math Ed Topics:  Curriculum/Materials Development 
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