The Geoboard tool opens with 1 shape on the board. The shape behaves like an elastic band - you can click and drag any point of the shape’s perimeter to change the shape. You can add up to 2 more shapes to the board, by clicking the Show Shape buttons at the bottom of the screen. To delete a shape, click its Show Shape button again.

Clicking Reset undoes all changes you have made, returning the tool to its default state.


Are you sure?

Clicking Reset means that any changes you have made will be lost. Is that OK?

Yes - Reset No - keep my changes


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