University of Cambridge
University of Cambridge: Nrich: Virtual Geoboard
Use this virtual geoboard to explore the attributes of various polygons. This would work well on an interactive whiteboard.
University of Waterloo (Canada)
University of Waterloo: How to Use the Geoboard
Four worksheets are linked which deal with area and perimeter of shapes constructed on the Geoboard. Additionally, a link is given to an online Geoboard so students may play with the model on their own.
ClassFlow
Class Flow: Making Shapes on Geoboard
[Free Registration/Login Required] Use the lines (rubber bands) to make a shape modeled by the teacher using a Geoboard.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Symmetry on the Geoboard [Pdf]
An activity for students to work with symmetry on a geoboard. Materials needed: geoboards, rubber bands, and geoboard recording paper.
Math Playground
Math Playground: Geometry Board
Create polygons by stretching bands over pegs on this geometry board. Then find the area and perimeter of the shape you created.
George Mason University
Handmade Manipulative Instructions
At this personal site, you will find pages of math manipulatives and different types of graphing paper to print out and use in your classroom.