Park City Mathematics Institute
Secondary School Teacher Program

Reflection on Practice Class: Day 9
Akihiko Takahashi

Aki started off the class by introducing us to Japanese Sangaku geometry in temples and shrines. There is an article in the May, 1998 Scientific American by T. Rothman on Japanese Temple Geometry and another on the Web at We spent the hour viewing the posters created by the other groups. At the end of the hour, we voted on which one was the best and gave our reasons for making the choice.

Posters from each table:

Table 1: Beyond 1/2 b * h
Table 2: Boggle Rules Apply
Table 3: New and Improved!
Table 4: Solve 3x + 15 = 6x - 3(x - 5)
Table 5: Find an equation to ...
Table 6: System of Linear Equations
Table 7: Chicken Little
Table 8: Parabola
Table 9: Textbook Problem
Table 10: Regular Hexagon
Table 11: Geometry
Table 12: Variations on a Single Point

Iron Chef Week 2

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This material is based upon work supported by the National Science Foundation under DMS-0940733 and DMS-1441467. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.