Year 5 - Maths
Use knowledge of calculating volume to solve problems in a range of contexts
Understand the concept of volume
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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 explain what volume is using a range of contexts and describe the units used to measure volume. They will explain how to calculate the volume of a cuboid.
Lesson Summary
You will learn to use knowledge of calculating volume to solve problems in different contexts.
Key Notes
- Missing dimensions can be deduced from other known dimensions.
- Where the volume is known, multiplication or division can be used to find an unknown dimension.
- Unknown dimension problems can be applied to different contexts.
Vocabulary To Learn
- Deduce: If we use existing facts and logic to help find new facts, we can say that we have deduced the new fact.
- Dimension: A dimension is the measurement of an edge in one direction. For example: length, width or height of a 3D shape are dimensions.
Common Mistakes To Avoid
- Pupils cannot visualise how to calculate the unknown dimensions on the compound shape.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Missing dimensions can be deduced from other known dimensions. Where the volume is known, multiplication or division can be used to find an unknown dimension.
2. Use this key word in a maths sentence and explain it clearly. 'Deduce'
If we use existing facts and logic to help find new facts, we can say that we have deduced the new fact. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils cannot visualise how to calculate the unknown dimensions on the compound shape. Correction: Spend time encouraging pupils to note down 'what they know' onto each shape. Allowing pupils to manipulate the shape with concrete apparatus and to run their finger along the edges of the shape will help visualise what is known and unknown.
More Lessons In This Unit
Browse all guides in the Year 5 Maths guide library.