# Mastery for GCSE Edexcel

24

## Inside the Unit...

### Areas Covered

• Lesson 1: Area of simliar shapes
• Lesson 2: Volume of similar shapes
• Lesson 3: Problems using similar shapes
• Lesson 4: Sine rule
• Lesson 5: Cosine rule and area formula
• Lesson 6: Solving geometric problems
• 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.

## Summary

This final geometry unit of the series explores the relationship between ratios of similar shapes and develops more complex trigonometry techniques.  In the first three lessons, properties of similar shapes are investigated and links between the ratio of lengths, areas and volumes are made and used to solve contextualised problems.  For the second part of the unit, the focus switches to trigonometry, developing on from earlier work in Unit 14.  Lesson 4 introduces students to the Sine Rule and its use applied to problems including those involving bearings.  The Cosine Rule and the rule for the area of a triangle are introduced in the next lesson and in the final lesson, problems and exam-style questions are used to enable students to apply their learning to problem solving and reasoning tasks.

## What's included in the 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...

Practice questions are set in context where appropriate so students see the relevance of the mathematics they are learning.

Heather Davis. Professional Development Lead, NCETM

Starters are designed to encourage the independent retrieval of pre-requisite knowledge, requiring students to think rather than just be told, again.

Heather Davis. Mathematics Education Consultant,

## Inside the Unit...

• ### Areas Covered

• Lesson 1: Area of simliar shapes
• Lesson 2: Volume of similar shapes
• Lesson 3: Problems using similar shapes
• Lesson 4: Sine rule
• Lesson 5: Cosine rule and area formula
• Lesson 6: Solving geometric problems
• 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.

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