List

Geoboards

Virtual Geoboard
interactivity

Virtual Geoboard

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.
Transformations on a Pegboard
problem
Favourite

Transformations on a Pegboard

Age
7 to 11
Challenge level
filled star empty star empty star
How would you move the bands on the pegboard to alter these shapes?
Board Block Challenge
problem
Favourite

Board Block Challenge

Age
7 to 11
Challenge level
filled star filled star filled star

Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?

Nine-Pin Triangles
problem
Favourite

Nine-Pin Triangles

Age
7 to 11
Challenge level
filled star empty star empty star

How many different triangles can you make on a circular pegboard that has nine pegs?

Pebbles
problem
Favourite

Pebbles

Age
7 to 11
Challenge level
filled star filled star empty star

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?

Geoboards
interactivity

Geoboards

Geogebra square, circular and rectangular geoboards.