Graphing Equations on the Cartesian Plane: Slope

Slopes are not just for skiing. Instructors introduce class members to the concept of slope and teach them how to calculate the slope from a graph or from points. The lesson also includes the discussion of slopes of parallel and perpendicular lines.

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CCSS: Designed
Instructional Ideas

  • Provide the class several opportunities for guided practice
  • If this is the first exposure to slope for the class, consider delaying the discussion of parallel and perpendicular lines until they can calculate slope proficiently 
Classroom Considerations

  • The class should be able to graph points on the coordinate plane in all four quadrants
  • The fourth part in a nine-part series

  • The homework has an answer key
  • The closure has the pupils consider how the concept will aid in the challenge for the unit

  • The graphs on the homework are screen captures of calculator graphs and may be difficult to read