App available
For best results on an Apple iPad or iPhone, use the free app. Click here to view it in the App Store: Geoboard, by The Math Learning Center.

What Is It?

The Geoboard is a tool for exploring a variety of mathematical topics introduced in the elementary and middle grades. Learners stretch bands around the pegs to form line segments and polygons and make discoveries about perimeter, area, angles, congruence, fractions, and more.

How It Works

Drag and drop a band onto the board.

Drag from a line to create a new vertex.

Drag a vertex from one peg to another.

Tip: Double-click to delete a vertex.

Start over. Clears all the bands from the board.

Fill or Unfill the selected shape.

Fill or Unfill all the shapes on the board.

Delete the selected shape.

Switch between the 5 x 5 peg board and the 15 x 10 peg board.

About the Geoboard.

Learn More

For more Geoboard resources and other apps, visit:

To learn about Bridges in Mathematics, an elementary curriculum that employs visual models like the Geoboard, visit:


This resource is brought to you by The Math Learning Center, a nonprofit organization dedicated to K–12 education since 1976. The Geoboard app was made possible by a generous donation from Dr. David Moursund.

This app was crafted by Clarity Innovations. We help improve teaching and learning by creating solutions that match promising technologies with the needs of education.
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