MathsYear 6Measurement

Area of triangles and parallelograms

Calculate the area of parallelograms and triangles; recognise that shapes with the same areas can have different perimeters and vice versa

What you'll learn

  1. 1

    Imagine a rectangle made of 1cm squares. Its area is length × width.

  2. 2

    A rectangle is 5cm long and 3cm tall. What is its area?

  3. 3

    Drag the slider to turn this rectangle into a parallelogram. Watch the area stay the same!

  4. 4

    Find the area of a triangle with base 4cm and height 5cm.

  5. 5

    What is the area of a triangle with base 6cm and height 4cm?

  6. 6

    Count the squares to find the area of this parallelogram.

  7. 7

    A parallelogram has base 7cm and height 2cm. What is its area?

Practise Area of triangles and parallelograms with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 10–11. Aligned to the UK National Curriculum.