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Compare and order unit fractions

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Why this why now

In this unit, pupils begin to generalize about the relative size of unit fractions by comparing the denominators. They also continue to focus on the whole and explain when fractions cannot be compared in this way as the whole is different. This understanding of the relationship between parts and wholes in fractions will prepare them for calculating the value of a part and for comparing non-unit fractions.

Prior knowledge requirements

  • Recognise and name unit fractions
  • Understand fractions as parts of a whole
  • Use visual models to compare simple fractions

Threads

Why this why now

In this unit, pupils begin to generalize about the relative size of unit fractions by comparing the denominators. They also continue to focus on the whole and explain when fractions cannot be compared in this way as the whole is different. This understanding of the relationship between parts and wholes in fractions will prepare them for calculating the value of a part and for comparing non-unit fractions.

Prior knowledge requirements

  • Recognise and name unit fractions
  • Understand fractions as parts of a whole
  • Use visual models to compare simple fractions