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


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?

Home City

Age 7 to 11
Challenge Level

Ong Xing and Joel from the Anglo Chinese School, Singapore, and Rebecca from West Flegg Middle School, Norfolk recognised that there are two possible answers: either Mohamed in Toronto, Sheng in Manchester, Tanya in Bahrain and Bharat in Sydney, or Mohamed in Sydney, Sheng in Bahrain, Tanya in Manchester and Bharat in Toronto.

Many people sent solutions giving one or other of the two possibilities.