Year 4 - Maths
Solve problems involving mixed numbers
Composition of fractions greater than one
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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 compose and decompose quantities made of whole numbers and fractional parts.
Lesson Summary
You will learn to solve problems involving mixed numbers.
Key Notes
- Word problems can involve mixed numbers. Mixed numbers may be used as part of the question or may form the answer.
- Mixed numbers can be used to represent measures.
- Representing problems as part-part-whole model can support us to form equations that we can then solve.
Vocabulary To Learn
- Mixed number: A mixed number is a whole number and a fraction combined into one "mixed" number. For example: one and a half is a mixed number.
Common Mistakes To Avoid
- Children may be confused about how to write mixed numbers. Children may say 'five and one-eight, rather than five and one-eighth.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Word problems can involve mixed numbers. Mixed numbers may be used as part of the question or may form the answer. Mixed numbers can be used to represent measures.
2. Use this key word in a maths sentence and explain it clearly. 'Mixed number'
A mixed number is a whole number and a fraction combined into one "mixed" number. For example: one and a half is a mixed number. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Children may be confused about how to write mixed numbers. Children may say 'five and one-eight, rather than five and one-eighth. Correction: As a school, establish how mixed numbers will be recorded so that you have consistency. Ensure children are accurately expressing the fraction part.
More Lessons In This Unit
Browse all guides in the Year 4 Maths guide library.