Click below to reveal some Geoboard-type environments.
See also the Square Dotty Grid and Isometric Dotty Grid environments.
Square:
To change the size of the board use the slider.
Click on the draw line tool and then click on two dots to add a line between them.
Circle:
To change the size of the board use the slider. You can choose whether your geoboard has a centre peg.
Click on the draw line tool and then click on two dots to add a line between them.
Rectangle:
To change the size of the board use the sliders.
Click on the draw line tool and then click on two dots to add a line between them.
If you would like to work on paper, the Printable Resources page has links to printable sheets of circles with a range of numbers of circumferential dots.