Students use the circumference and area of a circle to solve a variety of problems with circular shapes.  Throughout the lesson students develop their calculator and non-calculator techniques as solutions are presented in terms of pi or decimals rounded to three significant figures.The start of the lesson recaps finding the circumference and area of a circle as a decimal and in terms of pi.  The plenary challenges students students to calculate the perimeter and area of a circle and semi-circle.

Differentiated Learning Objectives

• All students should be able to solve problems involving the perimeter of circular shapes.
• Most students should be able to solve problems involving the perimeter and area of circular shapes.
• Some students should be able to set up and solve equations to model the area and perimeter of circular shapes.

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Scheme of Work Link

Circles, Cylinders and Circular Shapes 

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