Year 5 - Maths
Describe changes in measurement using knowledge of multiplication and division
Compare and describe measurements using knowledge of multiplication and division
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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 learn to compare and describe measurements using multiplication and division, applying their understanding of scaling as a structure of multiplication.
Lesson Summary
You will learn to describe changes in measurement using knowledge of multiplication and division.
Key Notes
- Many things change and we need to describe the change mathematically.
- The sentence 'The __________ is ___ times the __________ of the __________' supports understanding.
- A change in measurement can be described multiplicatively.
- Division can be represented as multiplication by a unit fraction
Vocabulary To Learn
- Change: A comparison can be made between an object at the start of, and then after, a change. Examples of change include a change in mass of an animal due to growth.
Common Mistakes To Avoid
- Children are more familiar with multiplication resulting in an increase, and need to appreciate that it can also result in a decrease.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Many things change and we need to describe the change mathematically. The sentence 'The __________ is ___ times the __________ of the __________' supports understanding.
2. Use this key word in a maths sentence and explain it clearly. 'Change'
A comparison can be made between an object at the start of, and then after, a change. Examples of change include a change in mass of an animal due to growth. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Children are more familiar with multiplication resulting in an increase, and need to appreciate that it can also result in a decrease. Correction: When we multiply an integer by a unit fraction, the effect is the same as dividing the whole by the denominator. It results in a decrease.
More Lessons In This Unit
- Compare and describe lengths using knowledge of division Study Guide
- Compare and describe lengths using knowledge of multiplication Study Guide
- Compare and describe measurements involving mass and capacity Study Guide
- Compare and describe measurements involving time and money Study Guide
- Solve comparison and change problems in a range of contexts Study Guide
- Solve comparison and change problems using division Study Guide
- Solve comparison and change problems using multiplication Study Guide
- Solve problems involving comparison and change Study Guide
- Use knowledge of multiplication and division to solve comparison and change problems Study Guide
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