Lesson Plan

Understand situations that represent inequalities by comparing and contrasting inequalities with equations

teaches Common Core State Standards CCSS.Math.Content.7.EE.B.4 http://corestandards.org/Math/Content/7/EE/B/4
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3

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Big Ideas: An inequality is another way to describe a relationship between quantities or expressions. There are similarities in the structure and context of inequalities and equations; the differences come from the range of solutions possible. This lesson builds on students' work with two-step equations by extending the skills and concepts into inequalities. The task encourages students to create a context for several inequalities and equations, then group them and give reasons for their groupings. Students discuss the similarities and differences between equations and inequalities. This builds toward students' future work in writing and solving two-step inequalities in grades 7 and 8. Vocabulary: inequality, equation, less than, greater than, less than or equal to, greater than or equal to Special Materials: 6 Note cards or Post-Its for each student or group (optional)
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