Resources and Tools for Elementary Math Specialists and Teachers
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Untangling Geometric Ideas

This 7-page article (PDF) describes a professional development activity utilizing a painting by Wassily Kandinsky to launch an investigation into the conceptual understanding of polygon classification and the area and perimeter of rectangles and triangles. The resource includes a five page activity sheet (PDF) linked on the main page.
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Contributed by: The National Council of Teacher of Mathematics (NCTM) - Publisher, Claudia R. Burgess - Author
Math TopicGeometry, Measurement, Number Sense, Basic Operations, Mathematical Practices, Mathematical Processes
Grade Level3, 4, 5
Resource TypeActivity, Lesson Plans, Reference Materials, Article

  • Additional Information
    • AudienceEducator
    • LanguageEnglish (USA)
    • Education TopicProfessional development, Teacher content knowledge, Teaching strategies
    • Interdisciplinary ConnectionArt
    • Professional DevelopmentYes
    • ContributorThe National Council of Teacher of Mathematics (NCTM) - Publisher, Claudia R. Burgess - Author
    • Publication Date2014-04
    • RightsCopyright (c) 2014 The National Council of Teachers of Mathematics, Inc
      http://www.nctm.org/about/content.aspx?id=8854
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

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