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Use some modelling clay to make the shapes yourself and try it out.
For the sphere, you could imagine you were cutting an apple or orange.
It might help to have a good look at each shape before you make any cuts!
This task develops spatial reasoning skills. By framing and asking questions a member of the team has to find out what mathematical object they have chosen.
An activity for high-attaining learners which involves making a new cylinder from a cardboard tube.