# Finding Quantities Using Ratio – Complete Lesson

This is a complete lesson on finding quantities using ratio that looks at how to scale up quantities given a particular ratio to find unknown values. The lesson is designed with the new GCSE specification in mind.

### Lesson Objective

• To use a ratio to find one quantity when the other is known.

### Who is this Lesson For?

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

### What is Included?

• Full lesson plan for the ‘Finding Quantities Using Ratio’ lesson, including introduction, teaching content, individual activities, plenary and suggested support and extension activities
• Equivalent Ratios Introduction
• Student Worksheet on Finding Quantities Using Ratio
• Times Tables Square
• Complete Solutions to all Questions

### Lesson Progression

This is the fourth lesson in the ‘Ratio’ unit of work (foundation tier) and also the fourth 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:

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