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ALEX Lesson Plans
Subject:
Mathematics (8)
Title:
Systems of Equations Part 3 -- Solving by Elimination
Description:
This lesson will be completed in one class period. This lesson, the third in the series, will focus on another way of solving linear systems, the elimination method. When using this method, the students will multiply one or both of equations to make one of the variables equal. Afterward, the students will add the equations to eliminate the variable. This lesson results from the ALEX Resource Gap Project.
Subject:
Mathematics (8)
Title:
System of Equations -- Part I Graphing
Description:
Systems of Equations will be taught over a three-day period: the first day will include a lesson regarding equations that can be solved by graphing, the second day will include a lesson regarding equations that can be solved by substitution, and the third day will include a lesson regarding equations that can be solved by elimination. The students will graph two lines on the same coordinate axis and determine where the two lines cross. The teacher will be able to rock the teenage world with the website "DESMOS". Solving the equations graphically will enhance the graphing skill of the students. The lesson will explain all the ways to graph a line. This lesson results from the ALEX Resource Gap Project.
Subject:
Mathematics (8)
Title:
Solving Systems of Linear Equations -- Part 2 Substitution
Description:
This lesson is the second part of solving systems of linear equations. The lesson will be taught in one class period. The concept for the lesson is to solve one equation in terms of "x" or "y" and substitute the results into the other equation. Calculating the final solution to the system will take a few more steps. This lesson will describe the remaining steps as well as examples to follow. This lesson results from the ALEX Resource Gap Project.
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