TY  - BOOK
TI  - Helping children learn mathematics
SN  - 0205270875
AV  - QA135.5 .R49 1998
PY  - 1998///
CY  - Boston
PB  - Allyn and Bacon
KW  - Mathematics--Study and teaching (Elementary)
N1  - Rev. ed. of: Helping children learn mathematics / Robert E. Reys, Marilyn N. Suydam, Mary Montgomery Lindquist. 4th ed. c1995; Includes bibliographical references and index
ER  -