In this feature, we bring together activities which make use of a geoboard or pegboard. Geoboards are great for exploring shape and space, especially properties of shapes, area and angles.
A virtual geoboard that allows you to create shapes by stretching rubber bands between pegs on the board. Allows a variable number of pegs and variable grid geometry and includes a point labeller.
Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?