Type:

Other

Description:

This interactive Java applet allows users to explore estimating numbers of objects, length, and area, by displaying two sets of random shapes, lines, or irregular figures on the screen. Users are asked if the first set is more or less than the second set. Options include: two difficulty levels; displaying guess history; a hint button; and an optional scoring feature that allows users to keep track of the number correct.

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 3,Scale,NSDL,Grade 4,Area,Early Elementary,Nonstandard shapes,Mathematics,Arithmetic,Process skills,Number and operations,Upper Elementary,Grade 5,oai:nsdl.org:2200/20140728160927218T,Informal Education,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Practice Standards,Length,Elementary School,Reason quantitatively,Estimation,Counting,Number sense,Vocational/Professional Development Education,Measurement,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