Www.mathsrevision.com Volume of a cuboid Liquid Volume… Capacity The Volume of a cuboid.
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Transcript of Www.mathsrevision.com Volume of a cuboid Liquid Volume… Capacity The Volume of a cuboid.
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Volume of a cuboid
Liquid Volume… Capacity
The Volume of a cuboid
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Starter Starter QuestionsQuestions
1. Calculate the perimeter of
2. What is the number that is 350 before 20160?
3. Write 27% as a decimal
4. How long is it from 10.03am to 11.35am
5. J en changed £750 into dollars. How many dollars did she get?
5cm
6cm
Exchange Rate
£1 =$1.50
www.mathsrevision.comwww.mathsrevision.comww
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1.1. To know the formula.To know the formula.1. To understand how tocalculate the volumeof cuboid.
2.2. Use formula correctly.Use formula correctly.
3.3. Show working andShow working and appropriate units.appropriate units.
Volume of a cuboid
Volume of a cuboid
4 layers of 18 cubes= 4 x 18
= 72 centimetre cubes = 72 cm³
18 cubes fit the base.
= 1 centimetre cube = 1 cm³
3cm
4cm
6cm
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A short cut !
6 = 72 cm³ Volume =
length
x breadth x 4
x height
length
breadth
height
x 3 Volume =
3cm
4cm
6cmArea of rectangl
e
Volume = l x b x h
V = 18 x 5 x 27
V = 2430 cm³
Example 1
18 cm
5 cm
27cm
Heilander’sPorridge Oats
Working
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Example 2
2cm
Volume = l x b x h
V = 2 x 2 x 2
V = 8 cm³
Working
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Calculate the volume of the dice.
Now try Exercise 2Ch16 (page 186)
Volume of a cuboid
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Starter QuestionsStarter Questions
1. Calculate the perimeter of
2. What is the 5th square ?
3. Write 12.5% as a decimal
4. How long is it from 1.23pm to 15.28 hrs
5. J en changed $450 into pounds. How many pounds did she get?
7cm
Exchange Rate
£1 =$1.50
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Liquid VolumeLiquid Volume
Learning IntentionLearning Intention Success CriteriaSuccess Criteria
1.1. To know the term liquid To know the term liquid volume.volume.
1. To understand theterm liquid volume using millilitres and litres.
2.2. Work out volumes using Work out volumes using 1ml and litres.1ml and litres.
3.3. Answer to containAnswer to contain appropriate units.appropriate units.
1 cm
1 cm
1 cm
Volume = = 1 cm³ x h x b l
How much water does this hold?
A cube with volume 1cm³ holds exact 1 millilitre of liquid.A volume of 1000 ml = 1 litre.
I’m a very small duck!
Liquid VolumeLiquid Volume
Example 1
12 cm
6 cm
3 cm
OrangeFlavour
Volume = l x b x h
V = 6 x 3 x 12
V = 216 cm³
= 216 ml
So the carton can hold 216 ml of orange juice.
How much juice canthis carton hold?
Remember:1 cm³ = 1 ml
WorkingLiquid VolumeLiquid Volume
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Example 2
50 cm
100 cm
30 cm
Volume = l x b x h
V = 100 x 30 x 50
V = 150 000 cm³
= 150 000 ml
So the fish tank can hold 150 litres of water.
How much water can this fish tank hold in litres?
1cm3 = 1 ml
1000 ml = 1 litre
= 150 litres
WorkingLiquid VolumeLiquid Volume
Now try Exercise 3Ch16 (page 189)
Liquid VolumeLiquid Volumew
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