Helping children learn mathematics.
Reys, Robert
Helping children learn mathematics. Robert Reys ... [et al.]. - 9th ed. / - Hoboken, NJ : John Wiley & Sons, c2009. - 1 v. (various pagings) : ill. (some col.) ; 28 cm.
Includes bibliographical references and index.
9780470403068
2009419058
Mathematics--Study and teaching (Elementary)
QA135.6 / .H45 2009
372.7
Helping children learn mathematics. Robert Reys ... [et al.]. - 9th ed. / - Hoboken, NJ : John Wiley & Sons, c2009. - 1 v. (various pagings) : ill. (some col.) ; 28 cm.
Includes bibliographical references and index.
9780470403068
2009419058
Mathematics--Study and teaching (Elementary)
QA135.6 / .H45 2009
372.7