Sonnabend, Thomas Mathematics for teachers : an interactive approach for grades K-8 Thomas Sonnabend - 4th ed - Belmont, CA Brooks Cole/Cengage Learning 2010 - xxi, 759, 72, 10 p. : ill. (some col.) ; 27 cm Includes index ISBN: 9780495561668 ISSN: 2008938391 Subjects--Topical Terms: Mathematics - Study and teaching (Elementary) Dewey Class. No.: 372.7044 SON