Year 3 - Maths
Measuring the volume of liquids using millilitres.
Measures: mass and capacity
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will use weighing scales up to 1kg and measuring tools for volume and capacity up to 1 litre. They will measure mass from 0 to above 1kg using whole kg and grams and measure volume from 0 to above 1 litre using whole litres and ml.
Lesson Summary
You will learn to measure the volume of liquids using millilitres.
Key Notes
- The volume of liquid in a container can be measured in millilitres.
- When comparing volume, if the containers are the same, we can compare the level of liquid in the container.
- When comparing volume, if the containers are different, we need to take read the scale on the measuring container.
- Counting in 10s, 20s, 25s and 50s helps to read scales.
Vocabulary To Learn
- Volume: 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. A millilitre is a very small amount of liquid. The abbreviation is ml.
Common Mistakes To Avoid
- Children may read the scale incorrectly - confusion between equal parts and marks on the scale.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
The volume of liquid in a container can be measured in millilitres. When comparing volume, if the containers are the same, we can compare the level of liquid in the container.
2. Use this key word in a maths sentence and explain it clearly. 'Volume'
Volume is the amount of space that an object takes up. In this case, the specific amount of liquid in a container. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Children may read the scale incorrectly - confusion between equal parts and marks on the scale. Correction: The scale is a number line. Remember to look at the number of equal parts between the marked numbers not the marks themselves.
More Lessons In This Unit
- Become familiar with scales with different intervals when measuring in grams Study Guide
- Comparing and estimating mass and volume Study Guide
- Estimate then measure mass and volume and record in a table Study Guide
- Measure mass in whole kilograms and grams Study Guide
- Measure the mass of objects using grams Study Guide
- Measure volume in whole litres and millilitres Study Guide
- Solve problems involving mass Study Guide
- Solve problems involving volume Study Guide
- Understanding capacity and volume Study Guide
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