MathsYears 4–5Measurement

Perimeter and area of rectangles

Calculate the perimeter of rectilinear shapes in centimetres and metres; find the area of rectangles and estimate areas of irregular shapes

What you'll learn

  1. 1

    Imagine walking all the way around a rectangle 🟦 — that's the perimeter!

  2. 2

    What does perimeter mean?

  3. 3

    This rectangle is 4 cm long and 3 cm wide. The perimeter is 4 + 3 + 4 + 3 = 14 cm. The area is 4 × 3 = 12 square cm.

  4. 4

    Drag the tiles to find the area of a 5 cm by 2 cm rectangle.

  5. 5

    Let's find the perimeter and area of a 6 cm by 3 cm rectangle.

  6. 6

    What is the area of a 4 cm by 5 cm rectangle?

  7. 7

    What is the perimeter of a 4 cm by 5 cm rectangle?

Practise Perimeter and area of rectangles with Whizlo

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

Start free →Sign in