Resources and Tools for Elementary Math Specialists and Teachers
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Perimeter Explorer

This interactive Java applet allows users to explore relationship between shapes with a fixed area and variable perimeter. Random irregular shapes or rectangles with a fixed area are displayed on a grid, and then the user enters the perimeter of the figure. An optional scoring feature allows the user to keep track of number correct.
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Contributed by: Shodor, Publisher
Math TopicMeasurement
Grade Level3, 4, 5
Resource TypeInteractive Media

  • Additional Information
    • AudienceEducator, Learner
    • LanguageEnglish (USA)
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorShodor, Publisher
    • Publication Date1996
    • RightsCreative Commons Attribution-NonCommercial 3.0 Unported License
      http://www.shodor.org/interactivate/licensing
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

      Select a standards document:

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