Charlesworth, Rosalind. creator author 5th ed. xi, 452 p. : ill. ; Rosalind Charlesworth. Includes bibliographical references Includes bibliographical references (p. 421) nand index. Mathematics Study and teaching (Preschool) Mathematics Study and teaching (Primary) QA 135.6 CHA 2005 1401862780 http://www.loc.gov/catdir/toc/ecip0417/2004008881.html http://www.loc.gov/catdir/enhancements/fy1103/2004008881-b.html http://www.loc.gov/catdir/enhancements/fy1103/2004008881-d.html http://www.loc.gov/catdir/toc/ecip0417/2004008881.html http://www.loc.gov/catdir/enhancements/fy1103/2004008881-b.html http://www.loc.gov/catdir/enhancements/fy1103/2004008881-d.html