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Litres are the best units to measure the volume of water in a swimming pool.
Measures (Year 5)
In Year 5 Maths, pupils deepen their understanding of measures, applying conversions, calculating perimeter and area, and solving real-world problems using different metric units.
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Fascinating Fact:
The deepest part of the ocean, the Mariana Trench, is nearly 11,000 metres deep, which is deeper than Mount Everest is tall.
In KS2 Maths, Year 5 children extend their skills with measures by working with conversions between units, calculating volume, and using scale in practical contexts such as maps and models.
Key Terms
Conversion: Changing a measurement from one unit to another, such as metres to centimetres.
Volume: The amount of space taken up by a 3D object, measured in cubic units.
Scale: A ratio that shows the relationship between a measurement on a drawing or model and the real thing.
Frequently Asked Questions (Click to see answers)
What measures are taught in Year 5?
Year 5 pupils learn about perimeter, area, volume, and conversions between metric units, applying these to solve problems in real-life contexts.
How do you convert metric units in Year 5?
Pupils convert units by multiplying or dividing by 10, 100, or 1,000. For example, 2.5 metres becomes 250 centimetres.
What is the difference between area and volume?
Area is the surface space of a 2D shape, measured in square units, while volume is the space a 3D object occupies, measured in cubic units.
How many grams are equivalent to one hundredth of a kg?
0.1g
1g
1.1g
10g
There are 1,000g in a kg so 1,000 ÷ 100 = 10
2 .
What is 156cm to the nearest metre?
1m
2m
15m
16m
As there are 100 cm in a m, this is the same as rounding to the nearest hundred
3 .
How do we write 4,520ml in litres?
0.452 l
4.52 l
45.2 l
452 l
To convert millilitres to litres, divide by 1,000
4 .
What is three quarters of 1 metre in cm?
0.75cm
75cm
750cm
7,500cm
Three quarters of 100 is 75
5 .
Roughly how many litres in 1 gallon?
4 litres
5 litres
8 litres
10 litres
A gallon is slightly less than 5 litres
6 .
What is 4,321g to the nearest kg?
4kg
5kg
43kg
433kg
As there are 1,000 g in a kg, this is the same as rounding to the nearest thousand
7 .
Which of these is best measured in cm?
The length of a pencil
The length of the school playground
The weight of a bag of flour
The height of a multi-storey car park
The length of the school playground and the height of a multi-storey car park would both best be measured in metres. The weight of a bag of flour should be measured in kilograms
8 .
Which unit is best to measure the volume of water in a swimming pool?
kg
ml
cm
litre
There may be 1,000s of litres of water in a swimming pool