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School canteen: two traders: level 1

Learning objects School canteen: two traders: level 1

TLF ID L1929

Buy supplies online for a school canteen. Purchase given amounts of items such as bottles of orange juice and cheese sticks. For each item on the shopping list, check the prices and package sizes of two traders. Perform basic calculations to select the cheaper deal for each item. Compare the total cost of the items from each trader. This learning object is the fifth in a series of eight objects that progressively increase in difficulty.

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Educational details

Key learning objectives
  • Students use halving and doubling, thirding and trebling strategies in multiplicative situations.
  • Students solve problems by selecting and applying efficient multiplicative strategies.
  • Students solve problems using or involving ratios and rates.
  • Students solve problems in a shopping context.
Educational value
  • Students use estimation skills to make a decision and check their choice by calculation.
  • Students are encouraged to use efficient multiplicative strategies to solve arithmetic problems.
  • Students solve arithmetic problems involving money and quantities.
  • Calculations require recognition and use of factors and multiples of whole numbers and measures; recall of multiplication and division facts.
Year level

6; 7

TopicsDecimals; Discounts (Price); Division; Money; Multiplication
Learning area
  • mathematics
Strand
  • Mathematics/Number and algebra
    Concept
    • Mathematics/Money
    • Mathematics/Multiples
    • Mathematics/Multiplication
    • Mathematics/Factors
    • Mathematics/Computation
    • Mathematics/Division
    • Mathematics/Whole numbers
    Skill
    • Analysis;
    • Application;
    • Comprehension;
    • Knowledge
    Student activity
    • Interactives;
    • Experiment;
    • Estimation;
    • Analysis;
    • Modelling
    Learning design
    • Experiential learning;
    • Independent learning;
    • Problem solving;
    • Visual learning

    Other details

    Contributors
    • Technical implementer
    • Script writer
    • Name: Rod Rees
    • Organisation: Rees Films Pty Ltd
    • Address: Blackburn VIC 3130 Australia
    • Subject matter expert
    • Name: Howard Reeves
    • Address: Lindisfarne TAS 7015 Australia
    • Educational validator
    • Publisher
    • Date of contribution: 20 Sep 2013
    • Organisation: Education Services Australia
    • Address: Melbourne VIC 3000 Australia
    • URL: http://www.esa.edu.au/
    Access profile
    • Colour independence
    • Device independence
    • Hearing independence
    Learning resource type
    • Interactive Resource
    Browsers
    • Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
    • Firefox - minimum version: (MS-Windows)
    • Safari - minimum version: 5.1 (MacOS)
    Operating systems
    • MacOS - minimum version: 10.6
    • MS-Windows - minimum version: XP - maximum version: 7
    Rights
    • © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.