Resources and Tools for Elementary Math Specialists and Teachers
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Shape Explorer

This interactive Java applet allows users to explore perimeter and area and the relationship between them. The activity gives irregular shapes or rectangles on a grid, and then the user enters the perimeter and area of the figure. An optional scoring feature allows users to keep track of the number correct.
Contributed by: Shodor, Publisher
Math TopicMeasurement, Mathematical Practices, Mathematical Processes
Grade Level3, 4, 5
Resource TypeInteractive Media

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (USA)
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorShodor, Publisher
    • Publication Date2003
    • RightsCreative Commons Attribution-NonCommercial 3.0 Unported License
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

      Select a standards document:

  • Related Resources
  • User Comments
    • 5
      Amazing info
      By Upood1938 on 04/30/2018 - 01:19
    • Mathematics is always being so interesting for me because it can improve my calculation powers as well as intellect and bestessays review share good info. Actually this post is for the students of grade 3, 4, 5. But I also feel good for having myself here and so to understand the shapes is very interesting.