Ayr, Alison2015-04-102015-04-102006-6ACE papers, Issue 17: Science, Mathematics and Technology Education, Paper 2.http://hdl.handle.net/2292/25157These ACE working papers were a publication of the Auckland College of Education and the last of these was produced in 2006.The Numeracy Development Project has been claimed as successful in raising student achievement. The extent of the success, however, varies with the decile rating of the school, and the degree to which the project itself is responsible for improved achievement can be questioned. This paper explores some of the theoretical background to aspects of the project and raises issues around the nature of the evidence being used to make such claims.enItems in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher.https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htmTechnical Reporthttp://purl.org/eprint/accessRights/OpenAccess