Type:

Other

Description:

This interactive Flash applet helps children understand the "take away" model of subtraction. Users choose starting numbers from within 10 or 20. A group of rabbits appears and the user is asked how many will remain if a certain number run away. Mousing over a clue button dims the number of runaways. After selecting the correct remainder, the rabbits run away, and the applet displays the number model and the word sentence that represent the problem. [Available for iPad & iPhone in the iTunes AppStore.]

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 2,Grade 1,NSDL,Early Elementary,Kindergarten,Visual representation,Number concepts,Mathematics,Social Sciences,Arithmetic,Concept formation,Process skills,Number and operations,Mathematical language,Subtraction,Life Science,Composition and decomposition of numbers,Informal Education,Whole numbers,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Reading in mathematics,Elementary School,Representation,Chemistry,Operations,Mental calculation,Education,Communication,oai:nsdl.org:2200/20140728160610985T,Counting

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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Non-profit Tax ID # 203478467