This is a complete lesson on compound interest and depreciation that looks at the effect of repeated percentage change. The lesson is designed with the new GCSE specification in mind.

- To represent proportional change using a multiplier to a power.
- To solve problems involving compound interest and depreciation.

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

Included in this download are the following:

- Full lesson plan for the ‘Compound Interest & Depreciation’ lesson, including introduction, teaching content, individual activities, plenary and suggested support and extension activities
- Student Worksheet on Compound Interest & Depreciation
- Plenary Spot the Mistake Slide
- Multiplicative Reasoning Fact Sheet
- Complete Solutions to all Questions

This is the sixth lesson in the ‘Multiplicative Reasoning’ unit of work (foundation tier) and also the fourth lesson in the ‘Multiplicative Reasoning’ unit of work (higher tier).

The Multiplicative Reasoning (Foundation Tier) unit is **available as a pack** including homework activities and a unit assessment. The other lessons in the unit are:

**Lesson 1 – Best Buy****Lesson 2 – Using Compound Measures****Lesson 3 – Using Kinematic Formulae****Lesson 4 – Percentage Change****Lesson 5 – Multipliers****Lesson 7 – Reverse Percentages**

The Multiplicative Reasoning (Higher Tier) unit is also **available as a pack** with homework activities and a unit assessment. The other lessons in this unit are: