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

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Multilink Cubes

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

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Cereal Packets

How can you put five cereal packets together to make different shapes if you must put them face-to-face?

Calendar Cubes

Age 7 to 11 Challenge Level:
What is the largest number we need to display?
The smallest?
Are there any numerals we need lots of times?
Are there numerals we only need once?