This professional development video clip of students engaged in Common Core Practice Standard #5—Use appropriate tools strategically, shows students making estimates of the amount of stain needed for 26 pencil boxes. Mr. Levy presents the class with the problem and a set of tools with which to choose how to solve the problem, the video clips shows the students engaged in problem solving through their interactions with one another and their teacher. Additional resources include a video transcript, teaching tips, and a link to a professional development reflection activity based upon the video.


  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


Grade 3,NSDL,Grade 4,Area,Addition,Mathematics,Number concepts,Social Sciences,Arithmetic,Concept formation,Process skills,Number and operations,Upper Elementary,Mathematical language,Grade 5,Teaching strategies,Multiplication,Real world applications,Whole numbers,Practice Standards,Use appropriate tools,Vocational/Professional Development Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,oai:nsdl.org:2200/20140728160529300T,Length,Elementary School,English,Communication,Physics,Operations,Estimation,Systems of measurement,Surface area,Number sense,Connections,Problem solving,Measurement,Education,Reasoning



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