Park City Mathematics Institute
Implementing Lesson Study
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What is a Solution via Skiers and Snowboarders
Brynja Kohler- Coordinator*, Vicki Lyons- Assistant, Pedro Acosta, William Day, Mary Gruber, Bushra Makiya, Karen Petsche, Jocelyn Smyth, Thomas Taney, David Thomas, Betul Zenginobuz
 
The Lesson Study working group conducted a Japanese-style lesson study in 2½-weeks of close collaboration. We taught our public lesson to Algebra 2 students from the Winter Sports High School in Park City. That class was starting a unit on systems of equations, so we chose to teach a lesson concerning the conceptual underpinnings of solving any system of equations. Our lesson aim was to first assess student understanding of the concept of a solution to an equation, and then develop their concept of a solution to a system of equations. An additional goal was for students to begin to develop at least one method to represent and solve a system of linear equations systematically (an algebraic, graphical, or tabular method). We worked together to improve our practice incorporating group-worthy tasks, student accountability for their learning, and reasoning-based class discussions into the lesson.

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© 2001 - 2013 Park City Mathematics Institute
IAS/Park City Mathematics Institute is an outreach program of the School of Mathematics
at the Institute for Advanced Study, Einstein Drive, Princeton, NJ 08540

Send questions or comments to: Suzanne Alejandre and Jim King

With program support provided by Math for America

This material is based upon work supported by the National Science Foundation under Grant No. 0314808.
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.