Published December 2009,September 2004,May 2009,December 2011,February 2011.
This article was written by
Sarah Holmes, a reception teacher at Davyhulme Infant & Nursery
School, Manchester and was first published in Mathematics Teaching
186, a journal produced by the Association of Teachers of
Mathematics. The article can also be found on the ATM website
. We would like to thank Sarah and
the ATM for allowing us to reproduce it here.