Geoboard

The geoboard is compounded by a board with nails that stand out the board. With it, you can use an elastic band to create different geometrical shapes. It was invented by Caleb Gattegno in 1960. In its beginning, he created the geoboard with a square tabletop with nails that formed a weave. Currently, there are different types of geoboard:

                                Orthometric                Isometric                  Circular

It is a useful didactic resource to work geometry, and it introduces geometrical concepts in a manipulative way. We can use it as an initial/motivational activity or as a synthesis activity. In the geoboard, children can build geometric shapes as well as discover the polygons, solve mathematics problems, perimeters, areas...

Another application of the geoboard could be the own fabrication by the students. It will involve them more in the activity, and they will work with more skills. 

In the following video, you can see a group of children of 4th grade of primary education. They are working with the geoboard, the geometric shapes and the coordinates. It is only one example of the variety of possibilities that gives us geoboard. We can design also a dynamic activity that challenges the students and in which the geoboard could be the way to achieve another aspect.

References and other resources: geoplano