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Level 3-4 Shapes - Measuring Capacity
Hannah gives her pot plant 30 ml of water each day. How much water will the plant require in a year?

Level 3-4 Shapes - Measuring Capacity

Measure capacity in real life. Read scales, compare millilitres and litres, and convert units using step by step methods that keep answers sensible and accurate.

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Fascinating Fact:

The capacity of a bathtub is around 80 litres, so filling it halfway uses about 40 litres of water.

In KS3 Maths, measuring capacity means reading scales on jugs and cylinders, choosing sensible units, and converting between millilitres and litres. You estimate first, then calculate accurately using place value and scale intervals.

  • Capacity: How much liquid a container can hold.
  • Litre (L): A metric unit of capacity. 1 L = 1,000 mL.
  • Millilitre (mL): A smaller metric unit of capacity. 1,000 mL = 1 L.
How many millilitres are in a litre?

There are 1,000 millilitres in 1 litre. Example: 1.25 L = 1.25 × 1,000 = 1,250 mL.

How do I read a measuring jug when some numbers are missing?

Find the scale interval. Subtract two labelled values, then divide by the number of small spaces. Multiply the interval by the count of spaces from the last label to your level.

How do I convert between litres and millilitres?

To change L to mL, multiply by 1,000. To change mL to L, divide by 1,000. Examples: 0.75 L = 750 mL; 750 mL ÷ 1,000 = 0.75 L.

1 .
There are 1,000 litres of sand in a sandpit. If a bucket holds 11 litres, approximately how many buckets of sand are in the sandpit?
91
99
100
101
1,000 ÷ 11 = 90.90909090909091. We can round this number up to 91
2 .
A barrel of oil contains 159 litres. How many barrels will be required for 795 litres?
3
4
5
6
795 ÷ 159 = 5
3 .
A level teaspoon is approximately 5 ml. How many level teaspoons in 1.5 litres?
20
30
300
3,000
1.5l = 1,500ml so to find the answer divide 1,500 by 5
4 .
A container that will hold a litre of milk is three quarters full. How many millilitres of milk are in the container?
250
500
750
1,250
There are 1,000ml in 1 litre. Three quarters of 1,000 is 750
5 .
A litre of water weighs a kilogram. How many litres will there be in 5 tonnes of water?
500
1,000
5,000
50,000
1,000 kilograms - 1 tonne
6 .
Sophie drinks 500 millilitres of orange juice every day. How long will it take her to drink 20 litres?
20 days
40 days
60 days
80 days
500ml = 0.5l so, to find the answer divide 20 by 0.5
7 .
You need to know the capacity of a watering can that is full of water and all you have to help you is a half litre jug. How do you find the approximate capacity of the watering can?
Count how many times you can fill the jug from the can
Estimate the weight of the can and multiply by two
Time how long it takes to fill the jug from the can
Guess
The number of times the jug is filled multiplied by 500 ml will give you the capacity of the watering can
8 .
Jake has three cups of tea every day but he never drinks an entire cup. On average he throws away 25 millilitres each cup. Approximately how much tea does he waste in a calendar month consisting of 30 days?
75 ml
750 ml
1.25 litres
2.25 litres
3 (cups) x 30 (days) x 25 (ml waste) = 2,250 millilitres or 2.25 litres
9 .
What are the abbreviations for litre and millilitre?
l and ml
le and me
lt and mt
lit and mil
1,000 ml (millilitres) = 1 l (litre)
10 .
Hannah gives her pot plant 30 ml of water each day. How much water will the plant require in a year (365 days)?
3,650 ml
7,300 ml
7.3 litres
10.95 litres
365 days x 30 ml = 10,950 ml of water required. To convert millilitres to litres divide by 1,000
You can find more about this topic by visiting BBC Bitesize - Perimeter, Area, Volume

Author:  Frank Evans (Specialist 11 Plus Teacher and Tutor)

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