EXAMPLE 1
Given that the volume of the medicine in bottle P are 50 mℓ, estimate the volume of the medicine in bottle Q.
EXAMPLE 2
Given that the volume of the water in basin X is 20 ℓ, estimate the volume of water in basin Y.
Thursday, November 19, 2009
Estimate volumes of liquids in ( a ) litres and ( b ) millilitres.
Compare the volumes of two liquids using standard units (a) litres and (b) millilitres.
EXAMPLE .
If the volume of liquid in containers A is 100 mℓ and 1 ℓ, what are the volumes in containers B and D ? 
Measure and record volumes of liquid using standard units (a) litres and (b) millilitres.
1. The units used for measuring volumes of liquid are litres ( ℓ ) and millilitres ( mℓ ).
2. Read and record the volumes of the liquids shown in measuring cylinder obove.
Answers
(a) 200 mℓ
(b) 700 mℓ
(c) 4 ℓ
(d) 5 ℓ
Measure and compare volumes of liquid using standard units.
We measure volumes in litre ( ℓ ) and millilitre ( mℓ).
Read scales to the nearest division
1. Litre ( ℓ ) is the standard unit using to measure a big volume of liquid, such as the amount in a swimming pool.
2. Millilitre ( mℓ ) is the standard unit used to mesure a small volume of liquid, such as the amount of cough drops in a bottle.
3. We usually use measuring cylinder to measure the volumes of liquid.
4. The correct way to read a measuring cylinder is shown here.
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