Resources and Tools for Elementary Math Specialists and Teachers
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The Brown Family

This problem promotes logical thinking and introduces learners to the trial and error (guess and check) problem solving strategy, especially with the interactive provided. In this problem children need to understand the difference between having a certain number of brothers and the number of boys in a family to answer the question, "How many children are there in the Brown family?" The Teachers' Notes page offers suggestions for implementation, discussion questions, ideas for extension and support, and a link to a down loadable worksheet for students to table their trials.
4
(1 Comments)
Contributed by: Millenium Mathematics Project, Publisher
Math TopicAlgebraic Thinking, Logic, Number Sense, Number Concepts, Mathematical Practices, Mathematical Processes, Basic Operations
Grade LevelK, 1, 2, 3
Resource TypeActivity, Interactive Media

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (United Kingdom), Chinese, Dutch, French, German, Italian, Spanish
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorMillenium Mathematics Project, Publisher
    • Publication Date2004-01
    • RightsCopyright (c) 2007 University of Cambridge
      http://nrich.maths.org/public/terms.php
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

      Select a standards document:

  • User Comments
    • 4
      intro to logic and pov
      By Uncle Bob on 09/18/2013 - 10:21
    • A nice problem with good teaching suggestions. A good applet is provided to support the solving which requires changing one's point of view - a good skill to introduce early.