Slope of Parallel and Perpendicular Lines

This Slope of Parallel and Perpendicular Lines lesson plan also includes:

Parallel or perpendicular? It's a slippery slope. This inquiry-based instructional activity focuses on the slope relationships between parallel and perpendicular lines. Class members follow the day-to-day layout of instruction activities and after the inquiry is finished, collaborative groups present their findings to the class following the included rubric.

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CCSS: Designed
Instructional Ideas

  • The teacher should provide instruction or a review of inquiry-based lesson procedures
  • Use the pictures of the stairs to determine whether they all have the same slope
Classroom Considerations

  • Cameras are needed for collaborative groups
  • Access to computers with Geometer's sketchpad, Microsoft Publisher, and presentation software may be needed

  • Utilizes a strategy that is common in STEM lesson plans
  • Additional resources are provided if needed
  • Rubric for scoring group presentations is included

  • None