This is a complete lesson on chord properties that will teach students to prove and use the rule that the perpendicular from the centre of a circle bisects a chord. The lesson is designed with the new GCSE specification in mind.

### Lesson Objectives

- To be able to prove that the perpendicular from the centre of a circle to a chord bisects the chord.
- To use chord properties to solve problems.

### Who is this Lesson For?

This pack is designed for GCSE higher tier students. It could also be used with high ability Key Stage 3 students.

### What is Included?

Included in this download are the following:

- Full lesson plan for the ‘Chord Properties’ lesson, including introduction, teaching content, individual activities, plenary and suggested support and extension activities
- Chord Properties Demonstration
- Student Worksheet on Chord Properties
- True or False Cards
- Circle Theorems Fact Sheet
- Complete Solutions to all Questions

### Lesson Progression

This is the fourth lesson in the Circle Theorems unit of work (the unit is also **available as a pack** including homework activities and a unit assessment).

The other lessons in the unit are: