parts of a circle

Parts of a Circle

Identify different parts of a circle, including radius, diameter, sector, segment, circumference, arc, etc and use this knowledge to answer questions relating to these parts.

Target Age:

Lesson Overview

By the end of this unit, students will be able to:

  1. Identify different parts of a circle, including radius, diameter, sector, segment, circumference, arc, etc.
  2. Use their knowledge to answer questions relating to these parts.

Curriculum Alignment: Year 6 Geometry: Properties of shapes

  • Illustrate and name parts of circles, including radius, diameter and circumference and know that the diameter is twice the radius.
Last updated on: February 27, 2026

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