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Litres are the best units to measure the volume of water in a swimming pool.

# Measures (Year 5)

In KS2 Maths, as you move to Year Five, you'll become a measuring master! Know your millimetres, centimetres, metres, and kilometres. Get comfy with grams, kilograms, millilitres, and litres. Combine them like a pro (e.g., 1.5kg = 1kg 500g). Round off smaller measures (e.g., 740m to 1km).

Grams and kilograms weigh things. Write weight in kg (1.6kg) or g (1,600g) or both (1kg 600g). Round 1.6kg to 2kg. Learn metric and imperial for everyday life. Quizzes on measures help you know grams from ounces, metres from miles. Keep practising!

Can you combine m with km? Round ml to the nearest l? Metric or imperial, know the difference! Test yourself in this KS2 Maths quiz on measures.

1.
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
2.
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
3.
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
4.
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
5.
Which of these statements is true?
1 mile > 2 km
1 mile < 1.5 km
1 mile > 1.5 km
1 mile = 1.5 km
1 mile is more than 1.5 km but less than 2 km
6.
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
7.
What is three quarters of 1 metre in cm?
0.75cm
75cm
750cm
7,500cm
Three quarters of 100 is 75
8.
Roughly how many litres in 1 gallon?
4 litres
5 litres
8 litres
10 litres
A gallon is slightly less than 5 litres
9.
What is 6.45kg expressed in grams?
0.645g
64.5g
645g
6,450g
To convert kilograms to grams, times by 1,000
10.
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

Author:  Amanda Swift