Year 4 - Maths
Solve a range of problems, including finding change
Money: apply efficient strategies when calculating with money
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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 represent and compare whole pounds and pence. They will convert quantities of money between pounds and pence and use the most efficient and reliable strategy to find the change.
Lesson Summary
You will learn to use efficient and reliable strategies to solve problems involving money, including finding change.
Key Notes
- Informal calculation strategies such as rounding and compensating can be applied to calculating with money.
- 'Same sum' and 'Same difference' can be applied to calculating with money.
- Column addition and subtraction can be used to calculate with money but is not always the most efficient strategy.
Vocabulary To Learn
- Representation: A representation is a way of showing a mathematical idea. Concrete objects, pictures and symbols can all be used to represent mathematics.
Common Mistakes To Avoid
- Pupils can sometimes see words like 'altogether' in a problem and assume it is an addition problem.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Informal calculation strategies such as rounding and compensating can be applied to calculating with money. 'Same sum' and 'Same difference' can be applied to calculating with money.
2. Use this key word in a maths sentence and explain it clearly. 'Representation'
A representation is a way of showing a mathematical idea. Concrete objects, pictures and symbols can all be used to represent mathematics. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils can sometimes see words like 'altogether' in a problem and assume it is an addition problem. Correction: Provide lots of examples of contextualised problems and focus on mathematical language, including where it might be misleading.
More Lessons In This Unit
- Calculate change when purchasing several items Study Guide
- Convert quantities of money between pounds and pence Study Guide
- Explain and represent whole pounds and pence as a quantity of money Study Guide
- Explain and represent whole pounds as a quantity of money Study Guide
- Explain how to compare amounts of money without converting Study Guide
- Use and explain the most efficient strategies when adding quantities of money Study Guide
- Use and explain the most efficient strategies when subtracting quantities of money Study Guide
- Use knowledge of addition to add commonly used prices efficiently Study Guide
- Use knowledge of subtraction to calculate change when paying with whole pounds or notes Study Guide
Browse all guides in the Year 4 Maths guide library.