Wright, Robert J. The learning framework in number : pedagogical tools for assessment and instruction / Robert J. Wright and David Ellemor-Collins - London : SAGE Publications Limited, 2018. - xxviii, 154 pages : illustrations. Includes bibliographical references and index. ISBN: 9781526402769 Subjects--Topical Terms: Mathematics--Study and teaching (Elementary) LC Class. No.: QA 141.15 / WRI 2018