TY - BOOK AU - Hackenberg,Amy J. AU - Norton,Anderson AU - Wright,Robert J. TI - Developing fractions knowledge SN - 9781412962209 AV - QA 137 .H115 2016 PY - 2016/// CY - London PB - SAGE Publications KW - Fractions KW - Study and teaching (Elementary) KW - fast N1 - Includes bibliographical references (pages 191-194) and index ER -