Lesson plan

Analyze the relationship between independent and dependent variables by graphing

teaches Common Core State Standards CCSS.Math.Content.6.EE.C.9 http://corestandards.org/Math/Content/6/EE/C/9
teaches Common Core State Standards CCSS.Math.Practice.MP8 http://corestandards.org/Math/Practice/MP8

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Big Ideas: In mathematical relationships, the value of one quantity depends on the value of the other quantity. Mathematical relationships can be represented and analyzed using graphs. Using variables allows us to represent mathematical relationships with varying quantities. This lesson develops students’ understanding of independent and dependent values. This task uses a set of cards where students pair a graph with a description of a relationship, a table or a picture. Students are asked to create pairs and articulate/justify how they know the relationship is the same on both cards. The mathematical concepts in this lesson build toward students’ future work with expressions, equations and proportional reasoning in grades 6-8. Vocabulary: independent variable, dependent variable Special Materials: Precut the sort cards (see below) for each student or pair of students.