Lines That Pass Through Regions

Good things happen when algebra and geometry get together! Continue the exploration of coordinate geometry in the third lesson in the series. Pupils explore linear equations and describe the points of intersection with a given polygon as the slope changes.

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CCSS: Designed
Instructional Ideas

  • Use the graphics in the teacher guide to create a presentation to use during the lesson
  • Consider the scaffolding suggestions while planning for the lesson; differentiate when appropriate
Classroom Considerations

  • Requires graph paper and rulers 

  • The lesson reinforces the importance of all aspects of linear functions
  • Increases in rigor as the lesson progresses to build to more complex analysis
  • Includes an opening exercise, closing activity, practice problem set, and all answer keys

  • None
Common Core