AC9M5A02

Algebra > Multiplication and Division

Australian Curriculum Version 9 Says:

Find unknown values in numerical equations involving multiplication and division using the properties of numbers and operations.

What this means

Working out the value of in calculations like 40 ÷ 5 = 4

  • Properties of number. For multiplication and division, these include:
    • Associative property of multiplication
      e.g., (3 × 2) × 4 = 3 × (2 × 4)
    • Commutative property of multiplication
      e.g., 3 × 2 = 2 × 3
    • Distributive property of multiplication (See Arrays game)
      e.g., 3 × (2 × 4) = (3 × 2) + (3 × 4)
  • The elaborations refer to the use of factors and multiples in solving problems.

Tips

  • In Year 4 the focus is on addition and subtraction.
    In Year 5 the focus is on multiplication and division.
  • No further reference is made to this concept in Year 6.

Click on image to Enlarge descriptor card.

Resources & Manipulatives

These Quick Curriculum Guides have been designed to take a look at the Australian Mathematics Curriculum (AC9), explain terminology and provide interpretations.

Narelle and I have used our professional judgement to put forward what is appropriate for students at this year level.

Authors: Dr Paul Swan & Narelle Rice
We would like to also thank Linda Marshall and David Dunstan for comments and assistance.

These documents serve as general advice only and do not take into account your specific needs and conditions. While best care has been taken in compiling these materials, mistakes may exist.
Australian Curriculum version 9 materials used under Creative Commons licence from ACARA. Readers should always refer back to the curriculum itself and the state-based curriculum that is relevant for you.

This document is copyright of A-Z Type (Dr Paul Swan). A copy of this document may be downloaded from www.drpaulswan.com.au.