Type:

Other

Description:

This five-minute video answers the question "Must one always invert and multiply?" when dividing fractions. An alternative algorithm is presented which works well in certain cases. The video focuses on sense making in using either method, and on judging the reasonableness of answers.

Subjects:

  • 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

Keywords:

Grade 6,NSDL,Grade 5,Reason quantitatively,Mathematics,Equivalent fractions,Arithmetic,Analyze and persevere,Fractions,Division,Number and operations,Upper Elementary,Algebraic representation,Social Sciences,Multiplication,Informal Education,Concept formation,Middle School,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Comparison of numbers,Practice Standards,oai:nsdl.org:2200/20140728161247881T,Elementary School,Algorithms,Representation,Computing and Information,Mental calculation,Communication,Mathematical language,Connections,Process skills,Education

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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