Giving specific directions, children create shapes on the geoboard.

I said, "First make any shapes on the geoboard.

A few strummed the rubber bands as if the geoboard were a guitar.

I also gave pairs of students geoboards, rubber bands, and geoboard dot paper.

I gave a geoboard to each student, distributed a cup of rubber bands to each pair, and gave time for exploration.

A geoboard is a mathematical manipulative used to explore basic concepts in plane geometry such as perimeter, area and the characteristics of triangles and other polygons.

How I Introduced the Geoboard in My Classroom Pattern Block Activities (Plus Homework Assignments)

Children can create a geometry shape such as a square (Shape A) on the geoboard, then change Shape A into Shape B (a triangle shape) noting necessary movements and changes.

Two-dimensional representations of the geoboard may be applied to ordinary paper using rubber stamps or special "geoboard paper" with diagrams of geoboards may be used to help capture a student's explanations of the concept they have discovered or illustrated on the geoboard.