Lesson plan

7. Write the relationship between two quantities as an equation (FP)

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.MP7 http://corestandards.org/Math/Practice/MP7
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Lesson objective: Fluently write equations from tables, graphs, situations, and patterns. 

This lesson helps to build fluency with writing equations. Tables, graphs, situaitons, and patterns are used here because each support the development of the independent and dependent variables in an equation. This work develops students' understanding that the relationship between two quantities that change together can be shown with an equation using variables to represent the two quantities. Because the value of one quantity depends on the value of the other, these variables are called independent and dependent variables.

Students engage in Mathematical Practice 7 (look for and make use of structure) as they analyze tables, graphs, situations, and patterns to determine how the quantities change together and write a related equation.

Key vocabulary:

  • coordinate point
  • depends on
  • equation
  • graph
  • pattern
  • situation
  • table
  • variable