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 Lesson Plans (5)

## Thinkfinity Lesson Plans

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Subject: Mathematics
Title: There Has to Be a System for This Sweet Problem
Description: In this Illuminations lesson, students use problem-solving skills to find the solution to a multi-variable problem that is solved by manipulating linear equations. The problem has one solution, but there are multiple variations in how to reach that solution.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12

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Subject: Mathematics
Title: Supply and Demand
Description: This Illuminations lesson focuses on having students create and solve a system of linear equations in a real-world 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 y-intercept.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12

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Subject: Mathematics
Title: Investigating Pick's Theorem
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

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Subject: Mathematics
Title: Pick's Theorem as a System of Equations
Description: In this lesson, one of a multi-part unit from Illuminations, students gather three examples from a geoboard or other representation to generate a system of equations. The solution provides the coefficients for Pick s Theorem.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12

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Subject: Mathematics
Title: Escape from the Tomb
Description: In this Illuminations lesson, students solve a system of equations when presented with a problem: two bowls are suspended from the ceiling by springs and one bowl is lower than the other. Placing only marbles in one bowl and bingo chips in the other, students must work out how many items should be placed in each bowl so that the heights of the bowls are the same. There are also links to online activity sheets.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12