Perimeter 11+ Maths Practice

Perimeter questions check whether a child can measure the outside edge of a shape and choose the right method for compound shapes.

What children practise in Perimeter

Perimeter questions check whether a child can measure the outside edge of a shape and choose the right method for compound shapes.

Common question formats

  • Rectangles and polygons
  • Compound shapes
  • Word problems with units

Common mistakes to avoid

  • Using area methods by accident
  • Forgetting all outer edges
  • Mixing centimetres and metres

Worked examples

What is the perimeter of a 6 cm by 4 cm rectangle?

Answer: 20 cm

What unit should perimeter use?

Answer: Units of length

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