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2.2 Structures: multiplication representing equal groups


Created on 28 January 2019 by ncetm_administrator
Updated on 25 April 2019 by ncetm_administrator

Introduction

Explore how objects can be arranged in equal groups, and how the number of groups and the size of the groups can be described; represent equally grouped objects with addition and multiplication expressions, connecting multiplication to repeated addition.

Teaching points

  • Teaching point 1: Objects can be grouped into equal or unequal groups.
     
  • Teaching point 2: When describing equally grouped objects, the number of groups and the size of the groups must both be defined.
     
  • Teaching point 3: Equal groups can be represented with a repeated addition expression.
     
  • Teaching point 4: Equal groups can be represented with a multiplication expression.
     
  • Teaching point 5: Multiplication expressions can be written for cases where the groups each contain zero items, and for cases where the groups each contain one item.
     

 
 

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