The Talking Stick Blog

News, Updates, Program Recaps, and Homeschooling Information

More Exploring the Circle, and Pedagogical Questions

(February 18, 2014)  I received two interesting Math Circle emails this week: “It sounds like you all had a delightful and spiraling investigation and the participants are really owning the learning…  Thanks for packing so much into math circle!”  This came from a parent and professional educator, in response to my 2/4 report. “What does any of this have to…

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Mehndi, Circles, and Contemplative Mathematics

Mehndi and Circles NOTE:  This report was written by Gina Gruenberg this week, with a few mathematical notes from Rodi at the end. (January 29, 2014) Yesterday was finally the second meeting of the “ Nexus of Sacred Geometry and Henna”.  I was a bit concerned due to the frigid weather, as Henna is a cooling herb.  In the deserts…

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Math Circle: Logic Session #1: Lounging Around

January 15, 2013 We lounged around the room, talking about math.  M and I sat on the floor, slouched against the wall while E lay on the floor.  J did the occasional unobtrusive headstand while D, V, and C sat in chairs.  I never moved from my position, not even to get up and write something else on the board. …

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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: 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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Math Circle Blog: Plato, Codes, and Exploding Dots

Plato, Codes, and Exploding Dots “I must add how charming the science of arithmetic is and in how many ways it is a subtle and useful tool to achieve our purposes, if pursued in the spirit of a philosopher, and not of a shopkeeper!’” This was the last line of a dialogue my assistant R and I read at the…

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