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'Cubes Cut Into Four Pieces' printed from http://nrich.maths.org/

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Eight children sat round the big table at the end of the classroom. They each had a cube made from modelling clay.

"Cut your cube into four pieces which are all exactly the same shape and size," said their teacher, "and try to make your pieces different from everyone else's!"

When the children had cut the cubes up they put some of the pieces on the table in two rows with their names by them.

Pieces of cubes

"Someone didn't cut theirs into four!" said Belinda pointedly.

Who was that and how many pieces were there?

"Two of us have made the same shapes!" shouted Charlie.

Who were they?

Here are six cubes showing the way the children cut them.

6 cubes

Whose are they?