Haylock, Derek Understanding mathematics for young children : a guide for foundation stage and lower primary teachers / Derek Haylock and Anne D. Cockburn. - Los Angeles : Sage, 2008. - ix, 260 p. : ill. Includes bibliographical references and index. ISBN: 9781412947268 Subjects--Topical Terms: Mathematics -- Study and teaching (Elementary) LC Class. No.: QA 135.6 HAY 2008