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Here are shadows of some 3D shapes. What shapes could have made them?
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
Can you arrange the shapes in a chain so that each one shares a face (or faces) that are the same shape as the one that follows it?
Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?
These models have appeared around the Centre for Mathematical Sciences. Perhaps you would like to try to make some similar models of your own.
How can we as teachers begin to introduce 3D ideas to young children? Where do they start? How can we lay the foundations for a later enthusiasm for working in three dimensions?
60 pieces and a challenge. What can you make and how many of the pieces can you use creating skeleton polyhedra?
In a recent workshop, students made these solids. Can you think of reasons why I might have grouped the solids in the way I have before taking the pictures?
A very mathematical light - what can you see?