Year 5 - Maths
Compare and describe measurements involving time and money
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 compare and describe measurements involving time and money.
Key Notes
- A change in time or amount of money can be described multiplicatively.
- The sentence 'The __________ is ___ times the __________ of the __________' supports understanding.
- Comparisons of measure can be represented as multiplication or division equations.
Vocabulary To Learn
- Times the __________: Times the time/times as long/times the amount of money are phrases that can be used to compare and describe - one child might run a race in three times the time of another child.
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.
A change in time or amount of money can be described multiplicatively. The sentence 'The __________ is ___ times the __________ of the __________' supports understanding.
2. Use this key word in a maths sentence and explain it clearly. 'Times the __________'
Times the time/times as long/times the amount of money are phrases that can be used to compare and describe - one child might run a race in three times the time of another child. 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
- Describe changes in measurement using knowledge of multiplication and division 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
Browse all guides in the Year 5 Maths guide library.