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      Measure volume in whole litres and millilitres

      Lesson details

      Learning outcome

      I can measure volume in whole litres and millilitres.

      Key learning points

      1. Scales are marked in different ways and counting in 10s, 20s, 50s and 25s helps to read scales.
      2. The volume of larger amounts of liquids can be measured in whole litres and millilitres.
      3. There are 1,000 ml in 1 L.
      4. We can use our knowledge of 1 L and 1,000 ml to determine the volume of liquids.

      Keywords

      • Volume - The volume is the amount of space that an object takes up. In this case, the specific amount of liquid in a container.

      • Millilitre - The millilitre is a metric measure of capacity or volume. It is a very small amount of liquid. One teaspoon can hold 5 ml of water.

      • Litre - The litre is a metric measure of capacity or volume. A litre is made up of 1,000 ml.

      Common misconception

      Children further learn about the composition of 1,000 in Y4, so may make mistakes in reading scales.

      Rehearse 1,000 is composed of two equal parts of 500 ml, four equal parts of 250 ml, five equal parts of 200 ml, 10 equal parts of 100 ml.

      Teacher tip

      Make the lesson as practical as possible. Physically show the children the difference between 1 ml and 1 L so they grasp the difference in amount. Support children to become confident with measuring larger amounts of liquids over 1 L.

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which of these units could the volume of liquid in a bottle be measured in?

      g
      cm
      kg
      Correct answer: ml

      Q2.
      Look at the bar model. 100 is composed of four equal parts of .

      An image in a quiz
      Correct Answer: 25, Twenty five, twenty five, twenty-five, Twenty-five

      Q3.
      Look at the jug. Match the 'capacity of the jug' and 'volume of water in the jug' to their measurement.

      An image in a quiz
      Correct Answer:Capacity of the jug,400 ml

      400 ml

      Correct Answer:Volume of water in the jug,150 ml

      150 ml

      Q4.
      Starting with the jug with the smallest volume of water, put these jugs in order of the water that they contain.

      An image in a quiz
      1 - B
      2 - A
      3 - C

      Q5.
      Which jug contains the greatest volume of water?

      An image in a quiz
      Correct answer: A
      B
      C

      Q6.
      Look at these jugs. What is the total volume of water in the two jugs?

      An image in a quiz
      100 ml
      550 ml
      560 ml
      Correct answer: 600 ml

      6 Questions

      Q1.
      One litre is equivalent to millilitres.

      1
      10
      100
      Correct answer: 1,000

      Q2.
      True or False? A volume of 200 ml is greater than a volume of 2 L?

      True
      Correct answer: False

      Q3.
      What is the volume of water in this jug?

      An image in a quiz
      3 L 100 ml
      3 L 200 ml
      3 L 250 ml
      Correct answer: 3 L 500 ml

      Q4.
      Match the jug to the volume of water that it contains.

      An image in a quiz
      Correct Answer:A,1 L 500 ml

      1 L 500 ml

      Correct Answer:B,1 L 200 ml

      1 L 200 ml

      Correct Answer:C,1 L 250 ml

      1 L 250 ml

      Q5.
      How much more water does Jug B contain than Jug A?

      An image in a quiz
      50 ml
      Correct answer: 100 ml
      200 ml
      They both contain the same volume of liquid.

      Q6.
      Look at the volume of water in this jug. What volume of water needs to be added so that the jug is full to capacity?

      An image in a quiz
      100 ml
      Correct answer: 200 ml
      250 ml
      500 ml

      To help you plan your 3 maths lesson on: Measure volume in whole litres and millilitres, download all teaching resources for free and adapt to suit your pupils' needs...