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3.2 Unit fractions: identifying, representing and comparing


Created on 21 June 2019 by ncetm_administrator
Updated on 24 June 2019 by ncetm_administrator

Introduction

Learn to name and write unit fractions. Recognise and show unit fractions of areas, lengths and quantities. Relate numerators and denominators to parts and wholes; explore how the greater the denominators, the smaller the unit fraction.

Teaching points

  • Teaching point 1: A whole can be divided into any number of equal parts.
     
  • Teaching point 2: Fraction notation can be used to describe an equal part of the whole. One equal part of a whole is called a unit fraction. Each unit fraction has a name.
     
  • Teaching point 3: Fractional notation can be applied to represent one part of a whole in different contexts.
     
  • Teaching point 4: Equal parts do not need to look the same.
     
  • Teaching point 5: Unit fractions can be compared and ordered by looking at the denominator. The greater the denominator, the smaller the fraction.
     
  • Teaching point 6: If the size of a unit fraction is known, the size of the whole can be worked out by repeated addition of that unit fraction.
     

 
 

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