Learning mathematics in elementary and middle schools : a learner-centered approach /
W. George Cathcart ... [et al.].
- 5th ed.
- Boston, MA : Allyn & Bacon, 2011.
- 458 p. : ill. ; 22 cm.
Includes bibliographical references and index.
0132420996 9780132420990
Mathematics--Study and teaching (Elementary) Mathematics--Study and teaching (Middle school)