TY - BOOK AU - Long,Calvin T. AU - DeTemple,Duane W. TI - Mathematical reasoning for elementary teachers SN - 0673464830 AV - QA135.5 .D477 1996 U1 - 510 20 PY - 1996/// CY - New York PB - HarperCollins College KW - Mathematics KW - Study and teaching (Elementary) N1 - Includes bibliographical references and index ER -