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Year 10Maths

Rationalising Surds (Part 1)

Lesson outcome

In this lesson, we will learn how to rationalise a fraction with a surd in the denominator. We will investigate the concept of rationalising a denominator and explain why this helps simplify our fraction.

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This lesson will be removed by end of Summer Term 2025.

We've made brand-new and improved lessons for you.