TY - BOOK AU - Kennedy, Leonard M AU - Johnson, Art AU - Tipps, Steven TI - Guiding children's learning of mathematics SN - 9780495091912 SN - 200693947 U1 - 372.7 KEN PY - 2008/// CY - Belmont, CA PB - Thomson/Wadsworth KW - Mathematics - Study and teaching (Elementary) N1 - Includes bibliographical references (p. 571-576) and index ER -