Braids

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Grade Vs Difficulty:
  EasyModerateChallengingPerplexing
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This lesson describes a mathematical theory for three strand braids with the ends at the top joined to a rod and the ends at the bottom joined to a second rod. There is a nice relation to a code see Turning Laughter into Insight
and there are many open questions available for investigation.

It is a sample from

J. Tanton, Mathematics Galore.

This activity was included in the University of New England Julia Robinson Mathematics Festival.

A hand out for students that also includes the topological handcuffs puzzle along with a mentor guide is attached as well. The topological puzzles are described in greater detail in J. Tanton, Solve This.