This is a complete lesson on reverse percentages that looks at how to work out an original amount given the new amount after an increase or decrease by a given percentage. The lesson is designed with the new GCSE specification in mind.

- To find the original amount given the final amount after a percentage increase or decrease.

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

Included in this download are the following:

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

This is the seventh lesson in the ‘Multiplicative Reasoning’ unit of work (foundation tier) and also the seventh lesson in the ‘Percentages’ 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 – Kinematic Formulae****Lesson 4 – Percentage Change****Lesson 5 – Multipliers****Lesson 6 – Compound Interest & Depreciation**

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

The other lessons in the unit are: