Primary 6 · Volume · Question type 7.7
Convert the units, find the water level, then use the base area to calculate the missing length.
Try the question yourself, or watch the lesson first.
Primary 6, on the MOE Primary Mathematics syllabus.
The lesson · 2 minutes 19 seconds
Watch: 2.7 litres standing 12 cm deep in a tank with a square base
Another worked example
A tank with a square base is 16 cm high. It contains 1.8 ℓ of water, and the water stands 8 cm deep. (a) Find the length of one side of the base. (b) How many more millilitres of water are needed to fill the tank to the brim?
The working · Six lines
Written out in full, the way it should appear on paper.
The answer is side 15 cm, 1800 ml more.
Practise · Modelled on top school exam questions
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Try it yourself
Combine cube counting and volume in one mixed question.
A solid is built from one-centimetre cubes. Its bottom layer is a full rectangle, 6 cubes by 4 cubes. Its second layer is a full rectangle, 6 cubes by 2 cubes, sitting on the back of the bottom layer. Nothing stands higher. Find the volume of the solid.
Ans: 36 cm³
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