Finding the Area of a Circle

Finding the Area of a Circle
Finding the Area of a Circle
Finding the Area of a Circle
Finding the Area of a Circle

What's Included

  • Smart Notebooks Presentation
  • Interactive Excel File
  • Activ Inspire Flipchart
  • Lesson Plan
  • Microsoft PowerPoint Presentation
  • Differentiated Worksheet

Finding the Area of a Circle

Students learn how a circle can be formed into a parallelogram and rectangle so the area is derived as A =πr2.  As learning progresses students practice finding the area of a circle in terms of π and calculate the radius or diameter when the area is given.

The start of the lesson recaps finding the area of a triangle and parallelogram.  In the plenary students are challenged to use to square and circle of equal area to find the perimeter of the square.

Differentiated Learning Objectives
  • All students should be able to calculate the area of a circle to 3 significant figures.
  • Most students should be able to calculate the area of a circle as a multiple of π.
  • Some students should be able to solve problems involving the area of a circle.
Scheme of Work Link
Circles, Cylinders and Circular ShapesMaths lessons to engage and inspire.
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