Year 3 - Maths
Use knowledge of unit fractions to find one whole
Non-unit fractions
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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 that non-unit fractions are composed of more than one unit fraction using knowledge of unit fractions to find one whole.
Lesson Summary
You will learn to use your knowledge of unit fractions to find one whole.
Key Notes
- When the numerator and denominator have the same value, the fraction is equal to one whole.
- If the numerator is less than the denominator, the fraction is less than one whole.
- Fractions that have numerators and denominators with the same values are also equal to each other.
Vocabulary To Learn
- Denominator: A denominator is the bottom number written in a fraction.
- Numerator: A numerator is the top number written in a fraction.
- Whole: All of something. All of a group or number.
Common Mistakes To Avoid
- Pupils may think that fractions with a higher value numerator are larger in size.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
When the numerator and denominator have the same value, the fraction is equal to one whole. If the numerator is less than the denominator, the fraction is less than one whole.
2. Use this key word in a maths sentence and explain it clearly. 'Denominator'
A denominator is the bottom number written in a fraction. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils may think that fractions with a higher value numerator are larger in size. Correction: Show pupils images where fractions with the same numerators and denominators are equal in size (e.g. nine-ninths is equal to three-thirds).
More Lessons In This Unit
- Compare fractions with the same numerator Study Guide
- Compare non-unit fractions including those equal to 1 Study Guide
- Compare non-unit fractions with the same denominator Study Guide
- Explain that non-unit fractions are made of more than one unit fraction Study Guide
- Identify non-unit fractions Study Guide
- Identifying equal parts in a whole in different contexts Study Guide
- Place fractions between 0 and 1 on a number line Study Guide
- Review comparing unit fractions Study Guide
- Use knowledge of non-unit fractions to solve problems Study Guide
Browse all guides in the Year 3 Maths guide library.