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Learning objects The multiplier: generate easy multiplications

TLF ID L83

Solve multiplications such as 9x88. Use a partitioning tool to help solve randomly generated multiplications. Learn strategies to do complex arithmetic in your head. Split a multiplication into parts that are easy to work with, use simple times tables, then solve the original calculation. This learning object is one in a series of five objects.



Educational details

Key learning objectives
  • Students apply the distributive property to calculate products mentally involving one two-digit number and one single digit number.
  • Students use known multiplication facts to calculate products in their head.
  • Students partition numbers to find products that are easy to calculate mentally.
  • Students investigate and apply strategies that make calculating products easier.
Educational value
  • Helps students develop mental strategies to simplify and solve multiplication problems.
  • Includes a partitioning tool for student use when solving multiplication problems involving one two-digit number and one single digit number.
  • Encourages students to apply times tables to find products mentally.
  • Encourages repeated use by incorporating randomly-generated problems.
  • Provides an option to print a worksheet for each completed equation, containing the working out.
Year level

4

Learning area
  • mathematics
Strand
  • Mathematics/Number and algebra
    Concept
    • Mathematics/Multiplication
    • Mathematics/Counting strategies
    • Mathematics/Whole numbers
    • Mathematics/Distributive property
    • Mathematics/Factors
    • Mathematics/Algorithms
    • Mathematics/Number patterns
    • Mathematics/Number relationships
    • Mathematics/Mental arithmetic
    Skill
    • Analysis;
    • Application;
    • Comprehension;
    • Knowledge
    Student activity
    • Interactives;
    • Analysis;
    • Experiment;
    • Modelling
    Learning design
    • Independent learning;
    • Experiential learning;
    • Problem solving;
    • Visual learning

    Other details

    Contributors
    • Technical implementer
    • Subject matter expert
    • Publisher
    • Date of contribution: 20 Sep 2013
    • Organisation: Education Services Australia
    • Address: Melbourne VIC 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.