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Lesson Plan

7. Solve inequalities in context (A)

teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Content.7.EE.B.4b http://corestandards.org/Math/Content/7/EE/B/4/b
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Lesson objective: Apply skills of writing and solving inequalities to problem solve.

This lesson provides an opportunity for students to apply their knowledge and understanding of inequalities to a real-life situation. Students are asked to find the best dimensions to construct a dog pen within the given constraints.

Key Concept students will use: 

  • Inequalities can be solved using the same operations used for solving equations.

Skills students will use:

  • Writing inequalities.
  • Solving inequalities.
  • Evaluating expressions using a table (Grade 6, Unit 8).

Students engage in Mathematical Practice 1 (Make sense of problems and persevere in solving them) as they write inequalities and find dimensions that will result in the best dog pen.

Key vocabulary: 

  • area
  • perimeter
  • rectangular

 

Related content

Appears in

Solving equations and inequalities

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