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.
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.