Maths

Parts of a Circle

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

MathsAge 11+25 minutes

What this topic covers

  • Name the centre, radius, diameter and circumference.
  • Use d = 2r and r = d ÷ 2.
  • Draw a circle of a given radius with a pair of compasses.

Core concept summaries

Key ConceptsThe PartsDiameter Is Twice the RadiusDrawing; the Chord Trap

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

clozematchingquiz