Type:

Other

Description:

This problem requires students to have a good understanding of fractions and challenges children to visualize 3D shapes. Students are asked how to divide a doughnut into eight equal pieces using only three cuts. The Teachers' Notes page includes rationale, suggestions for implementation, discussion questions, and ideas for extension with a link to a worksheet and support.

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 3,NSDL,Grade 4,Grade 5,Critical thinking,Spatial sense,Visual representation,Strategies,Mathematics,Equivalent fractions,Arithmetic,Analyze and persevere,Fractions,Process skills,Number and operations,Upper Elementary,Mathematical language,Social Sciences,Informal Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Reason abstractly,Practice Standards,Elementary School,oai:nsdl.org:2200/20140728161201355T,Representation,Mental calculation,Communication,Connections,Reason quantitatively,Problem solving,Education,Reasoning

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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