Lesson plan

Recognize how an equation relates independent and dependent variables

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. Using variables permits representing varying quantities. Mathematical relationships can be represented and analyzed with equations. This lesson develops students’ understanding of how an equation shows the relationship between independent and dependent values. This task uses a set of cards that match an equation to a graph or to a description or to a table of values. Students are and asked to create pairs and articulate/justify how they know the two cards match. Students will reason that the coefficient of the equation shows the mathematical relationship between the two values. The mathematical concepts in this lesson build toward students’ future work with expression, equations, and proportional reasoning in grades 6-8. Vocabulary: equation Special Materials: Make a copy of the task cards for each student or pair of students.