Measurement
MILLILITRES AND CENTILITRES
10 millilitres = 1 centilitre
Centilitres are sometimes used to label liquids.
Centilitres can be written as cl.
A.
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1)
If
1 cl
=
10 ml
then
2 cl
=
____ ml
5 cl
=
____ ml
10 cl
=
____ ml
9 cl
=
____ ml
15 cl
=
____ ml
18 cl
=
____ ml
7½ cl
=
____ ml
11.5 cl
=
____ ml
2)
Marie has a jug marked in millilitres. She needs to dilute 5
centilitres of liquid in 20 centilitres of water.
How many millilitres of each will she use instead?
3)
Can you work out how many centilitres there are in a litre
(1000ml)?
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Measurement
4)
Kerry takes some cough medicine. She takes 1cl of medicine
3 times a day.
How many cl does she take each day?
How many ml does she take each day?
How many millilitres are left in a 250 ml bottle after 3 days?
How many teaspoons (5ml) is this?
5)
Arthur buys a bottle of wine for Susie's birthday. It
contains 75cl of wine.
How many ml is this?
How many 125ml glasses are there in the bottle?
Arthur drinks 200 ml, and Susie drinks 270ml. How many
centilitres are left in the bottle?
B.
1)
How many centilitres will there be in:
150ml
80ml
750ml
120ml
30ml
155ml
500ml
15ml
250ml
2)
John needs to dilute 10ml of medicine in 120ml of water. How
many cl of each will this be?
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Measurement
3)
Convert this recipe from millilitres to centilitres:
Calypso punch
750ml red wine
250ml apple juice
250ml pineapple juice
150ml lime juice
Add cinnamon, nutmeg, sugar
and a bay leaf
Check your answers, then discuss with your tutor what you need
to work on next.
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Measurement
Answers
Millilitres And Centilitres
A
B
1)
2 cl
5 cl
10 cl
9 cl
=
=
=
=
20 ml
50 ml
100 ml
90 ml
2)
50 ml liquid
200 ml water
3)
100 centilitres in 1 litre
4)
3 cl each day
30 ml each day
160 ml are left
32 teaspoons left
5)
750 ml
6 glasses
47 cl are drunk
so 28 cl are left
1)
15 cl
75 cl
3 cl
50 cl
25 cl
2)
1 cl medicine
12 cl water
3)
75 cl wine
25 cl apple juice
25 cl pineapple juice
15 cl lime juice
15 cl
18 cl
7½ cl
11.5 cl
=
=
=
=
150 ml
180 ml
75 ml
115 ml
8 cl
12 cl
15.5 cl
1.5 cl
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