A physical geoboard is a board with nails hammered into it. Shapes are created by stretching elastics around the nails.
Using this virtual manipulative you may:
Add a geoband to the board
A geoband will appear under your mouse.
The top part of the geoband will attach to the peg.
Connect a geoband to additional pegs
A new point will appear on the geoband.
The geoband will be attached the peg.
Remove a geoband from a peg
The geoband will be removed from the peg.
Remove a geoband from the board
The geoband will be removed from the board.
Make closed shapes
A closed shape is one for which the ends of all sides connect to other sides. To create one:
Make open shapes
An open shape is one for which ends of at least one side does not connect to other sides. For example: a line, angle, or multiple angles. To create one:
Color the area inside of a geoband
The sides of the shape will turn blue to indicate that the shape is selected.
The color of the selected shape will change to the color that you clicked on.
Clear the geoboard
All geobands will be removed from the geoboard.
Measure perimeter and area
Click the shape to measure.
A text area will be displayed giving measurement information for that shape.