Dynamics of Holes in Knots and Mobius Strips.

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Grade Vs Difficulty:
  EasyModerateChallengingPerplexing
1-2
3-4
5-6
7-8
9-10
11-12
13-14

Starter Activity: Hand-cuff Knot
http://mathssquad.questacon.edu.au/the_handcuffs_puzzle.html
Watch our instructors doing the activity:
http://www.youtube.com/user/cm2math#p/a/u/0/-hRYTFYIPjY

Then We'll go to the Mobius worksheet (attached)

And maybe the quick students will have change to make a mobius bagel:
http://www.georgehart.com/bagel/bagel.html

Our thanks to Chris, Tu and Kyle for pulling together this SFMC Lesson,
10/25/2010.