This is a complete lesson on writing ratios that introduces the idea of ratio, allows students to get familiar with this concept and looks at how to write ratios in unitary form. The lesson is designed with the new GCSE specification in mind.

- To express the division of a quantity into a numebr of parts as a ratio.
- To write ratios in the form 1:m or m:1 to describe a situation.

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 ‘Writing Ratios’ lesson, including introduction, teaching content, individual activities, plenary and suggested support and extension activities
- Student Worksheet on Writing Ratios
- Writing Ratios Help Sheet
- Complete Solutions to all Questions

This is the first lesson in the ‘Ratio’ unit of work (foundation tier) and also the first lesson in the ‘Ratio & Proportion’ unit of work (higher tier).

The Ratio unit is **available as a pack** including homework activities and a unit assessment. The other lessons in the unit are:

**Lesson 2 – Ratios in Simplest Form****Lesson 3 – Splitting a Number in a Ratio****Lesson 4 – Finding Quantities Using Ratio**

The Ratio & Proportion unit is also **available as a pack** with homework activities and a unit assessment. The other lessons in this unit are: