Resources and Tools for Elementary Math Specialists and Teachers
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Variables and Unknowns

This animated PowerPoint lesson demonstrates how to substitute the value of a variable in place of the variable's symbol in an algebraic expression, and presents the concept of solving an equation for an unknown variable value.
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Contributed by: Don Link, Author
Math TopicAlgebraic Thinking
Grade Level5, 6+
Resource TypeDemonstration

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (USA)
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    • ContributorDon Link, Author
    • Publication Date2006-07
    • RightsCopyright (c) 2006, Don Link. Permission granted for educational use only.
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

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