Finding Volume: Cubes and Cuboids
Year 5 Mathematics Exploring 3D Shapes and Space
What is Volume?
Volume is the amount of space inside a 3D shape We measure volume in cubic units Think of it like filling a box with small cubes Volume tells us how much something can hold
Spot the Cubes and Cuboids!
Look around the classroom Find 3 cube-shaped objects Find 3 cuboid-shaped objects Share what you found with a partner
Volume of a Cube
A cube has all sides the same length Volume = length × length × length Or we can write: Volume = side³ Example: If each side is 3cm, volume = 3 × 3 × 3 = 27 cubic cm
Volume of a Cuboid
A cuboid has rectangular faces Volume = length × width × height The three measurements can be different Example: 4cm × 2cm × 3cm = 24 cubic cm
Let's Practice Together!
A cube has sides of 4cm each What is its volume? Show your working Discuss your answer with the person next to you
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