MathsYears 10–11Number

Surds (higher)

Expand and simplify surd expressions; rationalise denominators including conjugate pairs

What you'll learn

  1. 1

    Imagine you have a square with an area of 2. The side length is √2 — a surd!

  2. 2

    Which of these is a surd?

  3. 3

    Simplify √12

  4. 4

    Drag the numbers to simplify √18

  5. 5

    What is √18 simplified?

  6. 6

    Simplify √75

  7. 7

    What is √50 simplified?

Practise Surds (higher) with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 14–16. Aligned to the UK National Curriculum.

Start free →Sign in