Lesson plan

Create and solve a system of equations by reading a contextual prompt and using the best method to solve

teaches Common Core State Standards CCSS.Math.Content.HSA-REI.C.6 http://corestandards.org/Math/Content/HSA/REI/C/6
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2

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Big Ideas: We can use context to determine the most efficient solution method for solving a word problem involving a system of equations. In this task, students will look at three contextual problems. They will build on their knowledge of writing equations from contexts to write systems of equations and choose the most efficient way to solve them. This builds toward future lessons' work with non-linear systems. Vocabulary: elimination, substitution Special Materials: graph paper ruler