Commutativity - Both Versions

Content Name

Commutativity - Both Versions

Content Type

Partner Content

Description

This video explores the concept of Commutativity through the use of visualisations. It reveals how addition and multiplication are commutative, and that subtraction and division are not.

Curriculum

• Country

  England

  Key Stage:

  Key Stage 1, Key Stage 2

  Years:

  Year 2, Year 3, Year 4

  Subjects:

  • Mathematics

  Topics:

  • Number - addition and subtraction
  • Number - multiplication and division

  Programmes of Study:

  • recognise and use factor pairs and commutativity in mental calculations
  • show that addition of 2 numbers can be done in any order (commutative) and subtraction of 1 number from another cannot
  • show that multiplication of 2 numbers can be done in any order (commutative) and division of 1 number by another cannot

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