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This lesson addresses the substitution method of solving systems of equations. The students are introduced to the method through the use of a "real-world" problem.
This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 3, as of 2009-07-09.
This lesson connects the substitution method of solving systems of linear equations to students' prior knowledge of the graphing method and of using substitution (or "packing") in Algebra. The lesson also provides opportunity to check student readiness at the beginning of the lesson. Motivation is provided through a real life example and well written guided questions allow for student discovery of a system of equations. There is also an opportunity to discuss the importance of learning a new method to solve systems of linear equations (because graphing is not always reasonable). Independent practice is provided after guided instruction is finished.