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Before looking at some solutions that came in we would like to say that we were very pleased with the explanations that came in with many of the solutions - exactly what we would hope to encourage.
Francesca and Alex sent in the first correct solution and they come from Red Hill Field Primary School and so does Sam who sent in another correct solution a week later.
Francesca and Alex wrote:
We had many good replies from Bradon Forest School and here's Samuel's correct solution with some good explanations as to how he went about it.
Rees, who also came from Bradon Forest sent in a Powerpoint presentation and here's his slide for field 1
Well done!
We had 71 replies come in about this problem, They came from far afield - Qatar, Dublin, North Carolina, Australia, New York, Wisconsin and New Zealand as well as the U.K. The problem caused some deep thinking and just 16 replies had the correct answer.
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?