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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?

Crack the Code

Age 7 to 11
Challenge Level

Why do this problem?

This problem encourages children to apply logical thinking to an appealing context.

Key questions

What could the one-letter words be?
What rule could have been used to generate those one-letter words?
Can you apply the rule to the other letter?

Possible support

Writing out the alphabet and then making a note of the corresponding Zargoes' letters underneath our letters might help children organise their thinking.