Friday, November 5, 2010

Interactive Geoboards

Here are three great online interactive geoboards:


This geoboard allows you to change the color of your bands 
as well as calculates the area and perimeter of your shapes. 

This geoboard allows you to measure the length or angle of an object. 


By using the controls at the bottom of this geoboard you can change 
the number of points around the circle - 
or select a geoboard with a central pin -
 or create a square pinboard.Click on the color bands,
 then drag the band you create onto the board. 
To attach them you will need to pull them over the pegs.
 To change their position - or remove them - "loop" them off each peg in turn.

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