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Find the Surface Area of Cuboids

In this worksheet, students will calculate the surface area of cuboids given their dimensions.

'Find the Surface Area of Cuboids' worksheet

Key stage:  KS 3

Year:  Year 8 Maths worksheets

Curriculum topic:   Geometry and Measures

Curriculum subtopic:   Derive and Apply Formulae

Popular topics:   Area worksheets

Difficulty level:  

Worksheet Overview

In this activity, we will find the surface area of cuboids from their dimensions.



To find the surface area of a cuboid, find the areas of the six rectangular faces and add these areas together.


a cuboid


The six faces of a cuboid will always have three pairs of congruent (identical) rectangular faces.

Area of top and bottom faces = 2 x (4 x 3) = 24 cm2

Area of front and back faces = 2 x (5 x 4) = 40 cm2

Area of left and right faces = 2 x (5 x 3) = 30 cm2

Total surface area = 24 + 40 + 30 = 94 cm2


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