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We haven't received any solutions to this one yet. Do let us know if you come up with anything.
We have, however, received an investigation created by Ciara and Lily from Gresham Primary School, which has links to this challenge. They say:If you need to save time for yourself or you would like to look at the kinds of things that happen here I've printed for you the results for the sum ( 1 up to 8)
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.
Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?