Unit 22 Section 1 : Volume using the Unit Cube
This section introduces the idea of volume by counting up how many 1 cm cubes there are in a solid.
The 1 cm cube
The volume of this cube is 1 cm³ (1 cubic centimetre)

Example
We want to find the volume of this solid:
We can see that this solid is made up of five 1 cm cubes like the one above.
The volume of the solid is 5 cm³ (5 cubic centimetres).
Practice Question
Work out the answer to this question then click
to see whether you are correct.
What is the volume of this solid?
Exercises
Work out the answers to the questions below and fill in the boxes. Click on the
button to find out whether you have answered correctly. If you are right
then will appear and you should move on to the next
question. If appears then your answer is wrong. Click
on to clear your original answer and have another go.
If you can't work out the right answer then click on
to see
the answer.
You have now completed Unit 22 Section 1
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Produced by A.J. Reynolds January 2001