Length, Mass and Capacity
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Transcript of Length, Mass and Capacity
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Today we will be learning to:
• use standard metric and imperial units for measuring capacity
• convert from metric to imperial units
• plot a conversion graph.
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Mental Activity
We are going metric measures.You will have 5 seconds to answer
each question
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How many metres in 1.75km.
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How many grams in 2.5kg
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How many kg in 16 000g
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How many km in 18000m
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How many litres in 2500ml.
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How many millilitres in 3.75litres.
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What is the approximate mass of an apple
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Main Activity
Today we are going to use metric and imperial units for measuring capacity.
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These lines are measured in cm. What do they measure
in mm?
4.4cm
44mm
9.7cm
97mm
1.2cm
12mm
13.6cm
136mm
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These things are measured in metres. What is the height in
centimetres?
1.86m
186cm342cm
3.42m
10.8m
1080cm
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1 inch = 2.5 centimetres1 foot = 30 centimetres
3.3 feet = 1 metre1 yard = 90 centimetres
1760 yards = 1 mile
1 mile = 1600 metres (1.6km)
Here are the equivalents. They are approximate.
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1 inch = 2.5 centimetres1 foot = 30 centimetres
3.3 feet = 1 metre1 yard = 90 centimetres
1760 yards = 1 mile
1 mile = 1600 metres (1.6km)
How many millimetres are there in 4 inches?
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1 inch = 2.5 centimetres1 foot = 30 centimetres
3.3 feet = 1 metre1 yard = 90 centimetres
1760 yards = 1 mile
1 mile = 1600 metres (1.6km)
How many centimetres are there in 2 feet?
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Use your rulers and tape measures to
measure objects around the classroom in both metric and imperial
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litre centilitre
tablespoon
millilitre
pint
fluid ounce
half litre
gallon
What is capacity?
Does anyone know the units we use to measure capacity?
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litre
Separate the units into imperial or metric.
Imperial Metric
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pint
litre
Separate the units into imperial or metric.
Imperial Metric
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gallon
litre
Separate the units into imperial or metric.
Imperial
pint
Metric
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centilitre
litre
Separate the units into imperial or metric.
Imperial
pint
gallon
Metric
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millilitre
litrecentilitre
Separate the units into imperial or metric.
Imperial
pint
Metric
gallon
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tablespoon
litrecentilitre
millilitre
Separate the units into imperial or metric.
Imperial
pint
gallon
Metric
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fluid ounce
litrecentilitre
millilitretablespoon
Separate the units into imperial or metric.
Imperial
pint
gallon
Metric
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half litre
litrecentilitre
millilitretablespoon
fluid ounce
Separate the units into imperial or metric.
Imperial
pint
gallon
Metric
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litrecentilitre
millilitretablespoon
fluid ounce half litre
How many millilitres are in one litre?
Imperial
pint
gallon
Metric
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litrecentilitre
millilitretablespoon
fluid ounce half litre
What is 500 millilitres in litres?
Imperial
pint
gallon
Metric
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litrepintcentilitre
millilitretablespoon
fluid ounce half litre
What is 250 millilitres in litres?
Imperial
gallon
Metric
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litre
gallon centilitre
millilitretablespoon
fluid ounce half litre
Do you know any relationships between the metric and imperial units?
pint
Imperial Metric
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1 litre = 1.75 pints4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
Here are the equivalents. They are approximate.
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1 litre = 1.75 pints4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
How many pints are there in 4 litres?
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1 litre = 1.75 pints4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
How many gallons are there in 27 litres?
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1 litre = 1.75 pints4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
How many millilitres are there in8 tablespoons?
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1 litre = 1.75 pints
4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
Remember a litre and a quarter is about a pint and three quaters
Approx 5 litres = 8 pints = 1 gallon
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1 litre = 1.75 pints4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
How many litres in 3 gallons
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1 litre = 1.75 pints4.5 litres = 1 gallon
25 millilitres = 1 tablespoon
What might the conversion graph look like?
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Group Work
Work in pairs to draw a conversion graph for 1
gallon = 4.5 litres. Write six questions for your graph.
Swap with another pair and find the answers to their
questions.