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Multilink Cubes

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

Construct-o-straws

Make a cube out of straws and have a go at this practical challenge.

Cereal Packets

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

Making Cuboids

Age 7 to 11
Challenge Level

Using some squared paper and having sticky tape and scissors would be a good idea.
How will you know that all your cuboids are different from each other?
What can you make just using the $2$ unit lengths?
What can you make using just the $3$ unit lengths?
What can you make using just the $4$ unit lengths etc ...?

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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NRICH is part of the family of activities in the Millennium Mathematics Project.