Copyright © University of Cambridge. All rights reserved.
'How Many Pieces This Time?' printed from http://nrich.maths.org/
You might like to try
How Many Pieces? before you
have a look at this problem.

You can see how many loops of string were used to make these string
patterns because the strings are different colours.
In the next pictures can you work out how many loops were used?
Can you describe how you know?
You might like to print off
this sheet of the pictures if you
would like to work on paper.