The Harmony Learning Community Blog

News, Updates, Program Recaps, and Homeschooling Information

INFINITY 5: INSIGHTS ACTUALIZED, INSIGHTS POSTPONED

Posted by Rodi Steinig 
· Monday, December 22nd, 2014 

TAKEAWAY GAME (December 9, 2014)  We began our final session in this course with a few rounds of The Takeaway Game.  My goal was to focus attention for deep mathematical thinking, and to plant seeds of a solution strategy for The Very Clever Prince.  (We never did get time to return to the logic puzzle about the Prince; some of…

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Insuring your Soul (Math Circle Teens 3)

Posted by Rodi Steinig 
· Tuesday, November 26th, 2013 

Insuring your Soul (Math Circle Teens 3) NOVEMBER 19, 2013 Imagine you are an adult professional gambler and have the opportunity to play the following game: “Pay $10 to roll a 5-sided die.  You win nothing if you roll a 1, 2, or 3; you get $20 for a 4 and $25 for a 5.  Should you play?” After debating…

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PROOFS #3: Irrational Numbers, Hippasus, and Visual Proofs

Posted by Rodi Steinig 
· Monday, May 6th, 2013 

(April 30, 2013)  As I entered the building, L, one of my Math Circle lurkers, asked excitedly, “Are you studying The Pythagorean theorem?”  I never erase the board work at the end of class so that L (and other building users) can study and think about it throughout the week.  L does not participate in our Circle, but follows it…

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