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 Lesson Plans (3) Interactives/Games (2)

ALEX Lesson Plans

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Subject: Mathematics (8 - 12)
Title: Why so Cross?
Description: This lesson will help students develop a deep understanding of what the solution to a system of linear equations means.  They will investigate the graphs of systems as well as experiment with an online graphing calculator.

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Subject: Mathematics (8 - 12)
Title: Systems of Equations: What Method Do You Prefer?
Description: The purpose of this lesson is to help students apply math concepts of solving systems of equations to real life situations. The students will use the three methods of graphing, substitution, and elimination to solve the system of equations.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.

Web Resources

Lesson Plans

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Supply and Demand
http://illuminations...
In this lesson, students write and solve a system of linear equations in a real-world setting. Students should be familiar with finding linear equations from 2 points or from the slope and y-intercept. Graphing calculators are not necessary for this activity, but could be used to extend the ideas found on the second activity sheet.

Interactives/Games

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Solve Linear Equation Systems Step by Step
http://www.karlscalc...
This is an interactive tool that will solve systems of linear equations containing up to seven variables.

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Graphing Lines