Year 5 - Maths
Solve problems involving positive and negative numbers in a range of contexts
Negative numbers
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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 interpret numbers greater than and less than zero. They will read and write negative numbers, explain how the value of a number relates to its position from zero, positioning on a number line.
Lesson Summary
You will learn to solve problems involving positive and negative numbers in a range of contexts.
Key Notes
- Scales on graphs and coordinate grids are the same as number lines.
- Number lines model bridging through zero.
Vocabulary To Learn
- Difference: The result of subtracting one number from another.
- Coordinates: A set of values that show an exact position.
Common Mistakes To Avoid
- Pupils can come unstuck by misreading or misunderstanding the information being presented.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Scales on graphs and coordinate grids are the same as number lines. Number lines model bridging through zero.
2. Use this key word in a maths sentence and explain it clearly. 'Difference'
The result of subtracting one number from another. 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 come unstuck by misreading or misunderstanding the information being presented. Correction: Encourage pupils to consider what information they do know, and plot this on an empty number line, to help work out the unknown information.
More Lessons In This Unit
- Explain how negative numbers are used on a coordinate grid Study Guide
- Explain how the value of a number relates to its position from zero Study Guide
- Identify and place negative numbers on a number line Study Guide
- Interpret numbers greater than and less than zero in different contexts Study Guide
- Interpret sets of negative and positive numbers in a range of contexts Study Guide
- Read and write negative numbers Study Guide
- Represent a change story using addition and subtraction symbols Study Guide
- Use knowledge of positive and negative numbers to calculate intervals Study Guide
- Use knowledge of positive and negative numbers to interpret graphs Study Guide
Browse all guides in the Year 5 Maths guide library.