Macdonald, Beth .L Teaching mathematics conceptually : guiding instructional principles for 5- 10 year olds / Beth L. Macdonald and Jonathan N. Thomas. - London : CORWIN, 2023. - 170 pages : illustrations. Includes bibliographical references and index. ISBN: 9781529791846 Subjects--Topical Terms: Mathematics study and teaching (elementary)--UK LC Class. No.: QA 135.5 / MAC 2023