Maths

Stretch – Surface Area of Cuboids

Stretch (independent-school 11+): find the surface area of cubes and cuboids by adding the areas of the six faces.

MathsAge 11+25 minutes

What this topic covers

  • Recognise that a cuboid has six rectangular faces in three matching pairs.
  • Calculate surface area as 2(lw + lh + wh).
  • Distinguish surface area (cm²) from volume (cm³) and solve wrapping problems.

Core concept summaries

Key ConceptsSix Faces, Three PairsThe FormulaSurface Area Is Not Volume; Wrapping

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

clozematchingquiz

Example quiz question

A 5 by 3 by 2 cuboid. Surface area?

  1. 62 cm³
  2. 30 cm²
  3. 62 cm²
  4. 31 cm²
Show the answer

Answer: C. 62 cm²

2 × 31.