Resources and Tools for Elementary Math Specialists and Teachers
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Subtraction by Regrouping

This 8-minute video demonstrates how to perform subtraction with regrouping. The presenter uses base-10 blocks to explain the rationale and to make a visual connection with the standard algorithm. The examples involve 2-digit and 3-digit numbers.
Contributed by:, Publisher
Math TopicNumber Sense, Basic Operations, Number Concepts, Mathematical Practices, Mathematical Processes
Grade Level2, 3, 4, 5
Resource TypeDemonstration, Lecture/Presentation, Tutorial, Video

  • Additional Information
    • AudienceLearner
    • LanguageEnglish (USA)
    • Education Topic
    • Interdisciplinary Connection
    • Professional DevelopmentNo
    •, Publisher
    • Publication Date2010
    • Rights(c) 2010
    • AccessFree access
  • Standards
    • Common Core State Standards for Mathematics

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