Instructional Video

Area of a Sector

Curated and Reviewed by Lesson Planet

It's the skill where fractions and circles must work together. A thorough lesson models the process of finding the area of a sector using a radius and angle. The narrator extends instruction to include finding a radius of a circle from a known sector area and angle.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Discuss the importance of precision during calculations when working with pi
Classroom Considerations
  • Builds on the skill of finding the area of a circle
  • Requires scientific calculators
Pros
  • Models how to use the calculator in the video examples
  • Discusses common errors within the lesson
Cons
  • None