The circumference of a circle is calculated with C = 2πr, using the radius and π, approximately 3.14. For a circle with a radius of 1 metre, the circumference is 6.28 metres; if you know the diameter ...

When working with circles it is important to recognise and be able to name different parts of the circle. A segment of a circle is an area enclosed by a chord and an arc. What is the name given to a ...

Differentiated activity sheet/ worksheet for KS2/KS3 children. Challenge 2 – Calculate the radius and diameter when given the other measurement. Challenge 3 –Calculate the circumference (πd) of a ...

An extensive collection of worksheets covering many lessons in relation to circles. Each worksheet has answers and is built with a scaled progression structure in mind and covers many different ...