# Mastery for GCSE Edexcel

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## Inside the Unit...

### Areas Covered

• Lesson 1: Ratio in similar shapes
• Lesson 2: Trigonometric ratios
• Lesson 3: Using trigonometric ratios
• Lesson 4: Trigonometry in context
• Lesson 5: Special angles
• Lesson 6: Trigonometry 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 geometry unit focuses fully on developing mastery of this important area of mathematics. At the start of the unit, students consider similar shapes and the impact of similarity on the ratio of side lengths. With carefully chosen illustrations to illuminate the learning, the unit introduces the trigonometric ratios and develops these into the more formal methods of use when finding missing sides or angles in right-angled triangles. The trigonometric ratios for special triangles are devised and applied, and the angles of elevation and depression met and used in context to solve trigonometry problems and reasoning challenges.

## 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
• Exercise sheet activities with answers
• End-of-unit, exam-style assessment test with answers
• Other material and links to online resources

## What people say...

The worksheets relating to each part of the unit are excellent for consolidation.

Fiona Peers. Head of Mathematics, Akeley Wood School

Dorothy Love. Lord Lawson of Beamish Academy

## Inside the Unit...

### Areas Covered

• Lesson 1: Ratio in similar shapes
• Lesson 2: Trigonometric ratios
• Lesson 3: Using trigonometric ratios
• Lesson 4: Trigonometry in context
• Lesson 5: Special angles
• Lesson 6: Trigonometry 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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