Resources and Tools for Elementary Math Specialists and Teachers
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In this problem students explore the concept of proportion by comparing the relative strengths of different mixes of juice flavor and water in a visual context. Given four mixtures represented by purple and white rectangles, students order the drinks from strongest to weakest flavor and explain their reasoning. The Teachers' Notes page offers suggestions for implementation, discussion questions, and ideas for extension and support.
Contributed by: Millennium Mathematics Project, Publisher
Math TopicNumber Sense, Fractions, Mathematical Practices, Mathematical Processes
Grade Level3, 4, 5, 6+
Resource TypeActivity

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (United Kingdom), Chinese, Dutch, French, German, Italian, Spanish
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorMillennium Mathematics Project, Publisher
    • Publication Date2006-02
    • RightsCopyright (c) 2007 University of Cambridge
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

      Select a standards document: