MathsYears 4–5Geometry - Properties of Shapes

Classify triangles and quadrilaterals

Compare and classify geometric shapes, including quadrilaterals and triangles, based on their properties and sizes

What you'll learn

  1. 1

    Pretend you have a triangle made from 3 lolly sticks. Now try making a shape with 4 lolly sticks — that's a quadrilateral!

  2. 2

    How many sides does a triangle have?

  3. 3

    Tap all the triangles in this shape garden — look for 3 sides!

  4. 4

    Is this shape a triangle or a quadrilateral?

  5. 5

    A shape with 4 sides is called a…

  6. 6

    Sort these shapes — drag triangles into one box and quadrilaterals into another.

  7. 7

    How many sides does a quadrilateral have?

Practise Classify triangles and quadrilaterals with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 8–10. Aligned to the UK National Curriculum.