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Mastery for GCSE Edexcel

Unit 3: Application of ratio

Higher

3

Inside the Unit...

Areas Covered

  • Lesson 1: Ratio
  • Lesson 2: Using ratios
  • Lesson 3: Ratio as a fraction
  • Lesson 4: Using gradients
  • Lesson 5: Scale diagrams
  • Lesson 6: Compound units
  • Unit assessment

There are 6 exercise sheets and an examination-style assessment test, each with answers included in this unit.

Mathematics Mastery

Our resources apply the principles of Mastery throughout, creating a rich and deep learning experience. Find out more about Mastery with our quick guide.

Mathematics Mastery

Summary

Initially using techniques from bar modelling to develop mastery, this unit focuses on developing skills with, and applications of, ratio.  Starting from the basics, the concept of ratio, its notation and the connection to fractions is developed.  Simplifying ratio, dividing in a given ratio and solving ratio problems in context are explored using procedural variation to support learning.  Direct proportion is linked to ratio and students recognise, represent and use direct proportion to solve graded questions, interpreting gradients in context.  Scale diagrams and work on map scales extends students’ understanding into this application of ratio in a real-life context. The unit closes with a lesson on compound units including work on pressure, density and speed and a consideration of compound units.  The kinematics formula from a formula sheet are used to find missing values.

What's included in the toolkit?

Teachers' Toolkit

The GCSE units have been written to satisfy the specification for the Edexcel 1MA1 Maths GCSE. Each unit contains:

  • PowerPoint slides for each component
  • Detailed lesson plans
  • Learning objectives and outcomes
  • Worksheets and homework activities with answers
  • End-of-unit, exam-style assessment test with answers
  • Other material and links to online resources

What people say...

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Supply teachers or cover supervisors can be given the PowerPoint presentations to run the lesson. I only wish I had this available when I was head of department. I would have been able to set work quickly, knowing that the material was covered, explanations were sound and the practice questions were well supported.

Heather Davis. Mathematics Education Consultant,

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The units we have ordered are proving really useful and helpful with development of materials for new specs.  The Maths for D&T have been particularly helpful.

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Relevant Textbooks

Inside the Unit...

  • Areas Covered

    • Lesson 1: Ratio
    • Lesson 2: Using ratios
    • Lesson 3: Ratio as a fraction
    • Lesson 4: Using gradients
    • Lesson 5: Scale diagrams
    • Lesson 6: Compound units
    • Unit assessment

    There are 6 exercise sheets and an examination-style assessment test, each with answers included in this unit.

    Mathematics Mastery

    Our resources apply the principles of Mastery throughout, creating a rich and deep learning experience. Find out more about Mastery with our quick guide.

    Mathematics Mastery

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