Resources and Tools for Elementary Math Specialists and Teachers
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The Doctor X Amazing Griddable Multiplication Contraption

Students can use this interactive Java applet to explore multiplication, the distributive property, prime vs composite, square numbers, and more. Users fill in squares and draw rectangles on a 10 x 10 grid with 10 possible colors to use. Use the quick tour to get started.
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Contributed by: Gordon Anderson, Author
Math TopicMeasurement, Number Sense, Basic Operations, Number Concepts, Mathematical Practices, Mathematical Processes
Grade Level2, 3, 4, 5
Resource TypeActivity, Interactive Media

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (Australia)
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorGordon Anderson, Author
    • Publication Date2012
    • RightsCopyright (c) Gordon Anderson 2012
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

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