The area and perimeter of a sector

A FULL LESSON on calculating the area and perimeter of a sector.

Assumed prior knowledge:

  • Rounding with significant figures and decimals.
  • Simplifying expressions.
  • Fractions of amounts.
  • Working with ratios (one question)
  • Angles in quadrilateral (one question)

We are learning about: The area and perimeter of a sector.
We are learning to: Calculate the area and perimeter of a sector.

Differentiated objectives:

  • Developing learners will be able to calculate the area of a sector of a circle.
  • Secure learners will be able to calculate the perimeter of a sector.
  • Excelling learners will be able to solve unfamiliar problems using their knowledge calculating the area and perimeter of a sector.

Starter: What fraction of the circle is shaded?
Main:

  • Examples to find the area and perimeter of a sector.
  • Standard questions with diagrams progressing to worded and problem solving questions.
    Plenary: Spot the mistake.

Extra:

  • Booklet with all questions (including example) provided as worksheet to stick in books.

Any feedback is appreciated!

Free

Save for later
  • 3.3a-Booklet-The-area-and-perimeter-of-a-sector.pdf
  • 3.3a-The-area-and-perimeter-of-a-sector.pptx

About this resource

Info

Created: Nov 3, 2018

pdf, 447 KB

3.3a-Booklet-The-area-and-perimeter-of-a-sector

pptx, 2 MB

3.3a-The-area-and-perimeter-of-a-sector

Report a problem

Creative Commons "Sharealike"

Creative Commons "Sharealike"