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?

Included in this download are the following:

  • 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: