180 Days of Ideas for Discussion in Math Class.
(as of 9July2014, we're in overtime!)

Sunday, June 1, 2014

141: Topology Bagels - One Ring

Yesterday's cutting was interesting, but difficult to achieve. This one is simpler. Can you cut your bagel so that you get one continuous loop of bread?

For Sunday brunch, cut your bagel so the two halves are linked together like a chain.
— Steven Strogatz (@stevenstrogatz)

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