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Year 7 - Maths

Ordering fractions in different ways

Comparing and ordering fractions and decimals (positive and negative)

Unit Summary

This unit develops understanding and manipulation of fractions, including conversion between fractions to terminating and recurring decimals. Pupils then learn strategies to order fractions of increasing complexity.

Lesson Summary

You will learn to compare and order fractions using a range of techniques.

Key Notes

  • Two fractions can be compared when they have the same numerator.
  • Two fractions can be compared by comparing their respective differences from 1.

Vocabulary To Learn

  • Denominator: A denominator is the expression in a fraction that is written below the fraction line. It is the divisor.
  • Numerator: A numerator is the expression in a fraction that is written above the fraction line. It is the dividend.
  • Proper fraction: A proper fraction is a fraction where the numerator is less than the denominator.

Common Mistakes To Avoid

  • That fractions can only be compared using a common denominator.

3 Quick Questions (With Answers)

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

Two fractions can be compared when they have the same numerator. Two fractions can be compared by comparing their respective differences from 1.

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

A denominator is the expression in a fraction that is written below the fraction line. It is the divisor. Use this word when showing your method, then check your final answer is reasonable.

3. Spot and fix this common maths mistake.

Mistake: That fractions can only be compared using a common denominator. Correction: Lots of visual representations are useful here looking at what happens to the size of the 'parts' as the denominator increases.

More Lessons In This Unit

Browse all guides in the Year 7 Maths guide library.