The Talking Stick Blog

News, Updates, Program Recaps, and Homeschooling Information

Math Circle Blog: Signaling Problem Solution via Proof by Contradiction

Signaling Problem Solution via Proof by Contradiction December 11, 2012: We began our final session of our Signalling Problem Math Circle with a few rounds of Exploding Dots, this time in binary.  The large number of explosions in binary (base two) compared to decimal (base ten) was such fun.  I asked the group how many different numbers could be represented…

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Math Circle Blog: Aliens, Number Systems, and Contemplative Mathematics

Aliens, Number Systems, and Contemplative Mathematics “Some alien spies have been helping our captain.  It turns out that you were right: there are enemies hiding on the field behind the house.  The captain wants to know how many.  The alien photographer comes down and takes a picture of them, gives it to her captain, who writes it down and gives…

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Math Circle Blog: Navajo Code Talkers, Plato’s Cave, and Dots

Navajo Code Talkers, Plato’s Cave, and Dots Since the students have been creating their own codes in an attempt to solve our signaling problem, we began class 3 with a lively discussion of the history and cryptology of the Navajo Code Talkers of WWII.  Almost everything in this discussion was new to everyone, but V helped out by explaining what…

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