This virtual manipulative enables the student to form and manipulate shapes on an online geoboard. A virtual geoboard is not limited by the number of bands or the manual dexterity of the student. Additionally, a measure function generates area and perimeter for shapes and, for single bands connected to two pegs, distance and slope. The formed shapes may be colored as a way to sort or enhance them. The activities link offers six exercises that explore area and perimeter or regular and irregular shapes. Instructions for using the applet, an outline for a lesson about modeling and area, and a link to the NCTM standard for measurement are included. Copyright 2005 Eisenhower National Clearinghouse


  • Mathematics > 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


Perimeter,Informal Education,Middle School,NSDL,Area,Grade 8,Grade 7,NSDL_SetSpec_1007936,Grade 6,oai:nsdl.org:2200/20120114184651506T,Measurement,Mathematics,Area of polygons



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