The Harmony Learning Community Blog

News, Updates, Program Recaps, and Homeschooling Information

Math Circle Blog: Signaling Problem Solution via Proof by Contradiction

Posted by Rodi Steinig 
· Tuesday, January 1st, 2013 

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

Posted by Rodi Steinig 
· Tuesday, December 11th, 2012 

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

Posted by Rodi Steinig 
· Sunday, December 2nd, 2012 

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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