Type:

Other

Description:

This interactive Java applet helps users develop place value concepts involving addition of numbers with 1, 2, 3, or 4 digits. The virtual blocks are manipulated to model regrouping in order to solve addition problems posed by the applet. Users also may create and solve their own problems with whole numbers or up to 3 decimal places. The default of base 10 may be changed to any of the bases 2, 3, 4, or 5.

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:

oai:nsdl.org:2200/20140728161035724T,Grade 2,Grade 1,Make use of structure,NSDL,Grade 4,Grade 3,Addition,Early Elementary,Visual representation,Mathematics,Arithmetic,Concept formation,Process skills,Number and operations,Upper Elementary,Place value,Grade 5,Life Science,Composition and decomposition of numbers,Informal Education,Middle School,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Practice Standards,Elementary School,Algorithms,Representation,Chemistry,Decimals,Computing and Information,Operations,Number sense,Engineering,Education

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