Instructional Video

Surface Area of Pyramids and Cones

Curated and Reviewed by Lesson Planet

Scratch more than just the surface when investigating surface area. The second video of six installments in the Geometry - Surface Area and Volume unit focuses on the surface area of pyramids and cones. Young mathematicians learn to calculate surface area by determining the area of different-shaped bases, including regular polygons, and adding the lateral area.

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Instructional Ideas
  • Use the video with learners struggling with calculating surface area
Classroom Considerations
  • Knowledge of surface area from the previous video is necessary
  • Scholars should be familiar with determining the slant height using the Pythagorean Theorem
  • This video is hosted on YouTube
Pros
  • Worksheets show the same examples from the video to help viewers take notes
  • Includes a corrective assignment for additional practice
Cons
  • None