Introduction
My Intent for This Session
Celebration of Mind Day
MOBIUS STRIP PUZZLES
Mobius Strip – a surface with only one side and only one boundary component; discovered independently in 1858 by August Ferdinand Mobius and Johann Benedict Listing
Cutting Mobius Strips: What effect does the number of twists have?
Gluing and Cutting Mobius Strips
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Holiday Puzzle
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Martin Gardner Puzzle
HEXAFLEXAGONS
Hexaflexagon – a flat model that can be flexed to reveal faces other than the original front and back; discovered by Arthur H. Stone in 1939; made famous by Martin Gardner
Creating Our Own Hexaflexagons
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Trihexaflexagon
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Hexahexaflexagon
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