MathsYear 6Geometry - Properties of Shapes

Parts of a circle

Illustrate and name parts of circles, including radius, diameter and circumference, and know that the diameter is twice the radius

What you'll learn

  1. 1

    Imagine a round 🍩 doughnut. The line around the edge is the CIRCUMFERENCE — like the crust of the doughnut!

  2. 2

    What is the name of the line around the outside of a circle?

  3. 3

    Tap the point right in the middle of this circle — that's the CENTRE.

  4. 4

    Let's find the RADIUS and DIAMETER of this circle.

  5. 5

    If the radius of a circle is 4 cm, how long is the diameter?

  6. 6

    Drag to show a radius on this circle — from the centre to the edge.

  7. 7

    Which part of a circle goes all the way across through the centre?

Practise Parts of a circle with Whizlo

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