00465nam 2210500 450000100060000000300230000600500090002900800410003808200100007902000180008910000190010726000440012650000540017025000110022430000230023524500390025810500StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a372.7 a0-471-36785-0 aRobert E. Reys bNew York: John Wiley & Sons Inc. c2001 a1- Includes Bibliographical references and index. a6th Ed axiii 410 P: 30 c.m aHelping Children Learn Mathematics