This is a complete lesson on tangent properties that will teach students to prove and use properties of tangents to circles. The lesson is designed with the new GCSE specification in mind.

### Lesson Objectives

- To understand and use the rule that the tangent at any point on a circle is perpedicular to the radius at that point.
- To know and use the fact that tangents from an external point are equal in length.

### 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 ‘Tangent Properties’ lesson, including introduction, teaching content, individual activities, plenary and suggested support and extension activities
- Tangent & Radius Example
- Mini-Plenary
- Two Tangents Demonstration
- Student Worksheet on Tangent Properties
- Circle Theorems Fact Sheet
- Complete Solutions to all Questions

### Lesson Progression

This is the sixth 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: