ALEX Lesson Plans
Thinkfinity Lesson Plans
Subject: Mathematics Title: Supply and Demand
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Description: This Illuminations lesson focuses on having students create and solve a system of linear equations in a realworld setting. By solving the system, students find the equilibrium point for supply and demand. Students should be familiar with finding linear equations from two points or slope and yintercept. Thinkfinity Partner: Illuminations Grade Span: 9,10,11,12
Subject: Mathematics Title: Investigating Pick's Theorem
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Description: In this unit of three lessons, from Illuminations, students rediscover Pick's Theorem, which they were likely introduced to in middle school, and use algebra to determine the coefficients of the equation. They explore the concept of change as a mechanism for finding the coefficients of Pick's Theorem. Thinkfinity Partner: Illuminations Grade Span: 9,10,11,12

