Lesson Plan

Solving for Unknown Angles Using Equations III

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This Solving for Unknown Angles Using Equations III lesson plan also includes:

Challenge your classes to combine geometric and algebraic concepts with an activity that builds on concepts learned in the first three lessons of the series. The fourth part asks scholars to identify geometric angle relationships and use those relationships to write algebraic equations. They finish the instructional activity by solving their equations to find unknown measures.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Have pupils practice vocabulary by having them draw diagrams as you describe them
  • Ask learners to provide the property they use to set up equations 
Classroom Considerations
  • Requires a functional understanding of different types of angles and their properties
Pros
  • Connects new concepts to real-life context
  • Includes an opening exercise to motivate the lesson
Cons
  • None
Common Core