MathsYears 7–8Geometry - Properties of Shapes

Angles

Calculate angles on a line, at a point, vertically opposite and in parallel lines; find interior and exterior angles of polygons

What you'll learn

  1. 1

    Imagine you're opening a book 📖. The spine is the corner — the angle between the two pages gets bigger the more you open it!

  2. 2

    What do we measure angles in?

  3. 3

    Drag the protractor to measure the angle below — how many degrees is it?

  4. 4

    Let's measure this angle together 📏

  5. 5

    What type of angle is 60°?

  6. 6

    Now measure an obtuse angle — drag the protractor to find 120°.

  7. 7

    Which of these is an acute angle?

Practise Angles with Whizlo

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