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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?

Cereal Packets

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

Penta Primes

Age 7 to 11
Challenge Level

What could the units digit of a prime number be?

What does this tell you about one of the prime numbers?

Where must the zero go?