Fold the Sheet


by Henry E. Dudeney

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Take a rectangle piece of paper divided into eight squares (2x4), and then number them on one side as shown in the left part of the diagram. Or simply use our Print 'n' Play Version - print it and then cut it out.

Henry E. Dudeney discovered that there are 40 different ways to fold this rectangle along the lines to form a square packet with number 1 face-up on top and all other squares beneath it like that shown in the right part of the illustration.

The object of this puzzle is to fold the rectangle along the lines in such a way that the squares are in serial order from 1 to 8, with number 1 face-up on top. You aren't allowed to tear the rectangle, just fold and possibly slightly bend it.

Last Updated: September 5, 2007  |  Posted: June 17, 2001
PDF Version (242 KB)

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