Use the interactivity below to complete the 100 square jigsaws. There are four different versions to try.
How are you going about this task? What are you looking for?
If you would prefer to work away from a screen, you could print off a sheet of the square and the pieces to cut out.
The printable sheets can be found here: Puzzle 1, Puzzle 2, Puzzle
3 and Puzzle 4.