MathsYears 7–8Geometry - Properties of Shapes

Pythagoras introduction

Understand and apply Pythagoras' theorem to find missing sides in right-angled triangles

What you'll learn

  1. 1

    Imagine a right-angled triangle — it has a special secret! 🕵️

  2. 2

    How many sides does a right-angled triangle have?

  3. 3

    Drag to build squares on each side of this right-angled triangle.

  4. 4

    Let's check the secret on a 3-4-5 triangle. 📏

  5. 5

    What is 3 × 3?

  6. 6

    Try it on a 6-8-10 triangle — build the squares and check!

  7. 7

    What do you add to find the big square's area?

Practise Pythagoras introduction with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 11–13. Aligned to the UK National Curriculum.

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