Surface Area of Pyramids and Cones

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
  • Worksheets show the same examples from the video to help viewers take notes
  • Includes a corrective assignment for additional practice
  • None