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Geoboards

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

Multilink Cubes

If you had 36 cubes, what different cuboids could you make?

Two Dots

Age 7 to 11 Challenge Level:

Josh (Ampthill, UK) explains:

In this you put two dots on each circle directly opposite each other and keep moving in towards the centre of the circle switching on to different lines.

For example:


How else could it be done?