TY - BOOK AU - Cathcart,W.George TI - Learning mathematics in elementary and middle schools SN - 0130483435 AV - QA135.6 .L43 2003 U1 - 372.7 21 PY - 2003/// CY - Upper Saddle River, N.J. PB - Merrill/Prentice Hall KW - Mathematics KW - Study and teaching (Elementary) KW - Study and teaching (Middle school) N1 - Includes bibliographical references (p. 435-445) and index ER -