Cross Multiplying

Content Name

Cross Multiplying

Content Type

Partner Content

Description

Cross Multiplying is a mathematical ‘trick’ based on The Magic 10%, which enables children to find a simple percentage of (initially) a multiple of 10 in less steps.

Curriculum

• Country

  England

  Key Stage:

  Key Stage 2

  Years:

  Year 5, Year 6

  Subjects:

  • Mathematics

  Topics:

  • Number - fractions (including decimals and percentages)
  • Number - Fractions (including decimals and percentages)

  Programmes of Study:

  • recall and use equivalences between simple fractions, decimals and percentages, including in different contexts
  • recognise the per cent symbol (%) and understand that per cent relates to ‘number of parts per 100’, and write percentages as a fraction with denominator 100, and as a decimal fraction

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