This activity investigates how you might make squares and pentominoes from Polydron.
Make a cube out of straws and have a go at this practical
How can you put five cereal packets together to make different
shapes if you must put them face-to-face?
This problem is based on ideas from "It Makes You Think", a book and CD of mathematical puzzles and problems, produced by Jill Mansergh and available from The Association of Teachers of Mathematics (ATM)