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Year 4 - Maths

Express an amount of quarters as a mixed number and an improper fraction.

Addition and subtraction of fractions and mixed numbers (within a whole)

Unit Summary

In this unit pupils will make efficient choices about the order they solve an addition and subtraction problem in.

Lesson Summary

You will learn to express an amount of quarters as a mixed number and an improper fraction.

Key Notes

  • A fraction with a numerator that is equal to or greater than the denominator is called an improper fraction.
  • Improper fractions have values that are equal to or greater than one.
  • A mixed number can be written as an improper fraction of equal value.

Vocabulary To Learn

  • Improper fraction: An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Common Mistakes To Avoid

  • Children may just add the whole number part of the mixed number to the numerator or may forget to add the fractional part of the mixed number.

3 Quick Questions (With Answers)

1. Solve this in steps: explain the method from this lesson and why each step matters.

A fraction with a numerator that is equal to or greater than the denominator is called an improper fraction. Improper fractions have values that are equal to or greater than one.

2. Use this key word in a maths sentence and explain it clearly. 'Improper fraction'

An improper fraction is a fraction where the numerator is greater than or equal to the denominator. 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 just add the whole number part of the mixed number to the numerator or may forget to add the fractional part of the mixed number. Correction: Encourage checking of work using the stem sentence. For example, there are four groups of four quarters, which is eight quarters, and two more quarters, so that is 10 quarters. Bar models could also be used while understanding develops.

More Lessons In This Unit

Browse all guides in the Year 4 Maths guide library.