Billstein, Rick. A problem solving approach to mathematics for elementary school teachers / Rick Billstein, Shlomo Libeskind, Johnny W. Lott. - 10th ed. - Boston : Addison-Wesley, c2010. - xiii, 1099, I-14 p. : ill. (some col.) ; 26 cm. + 1 CD-ROM (4 3/4 in.) ISBN: 0321570545 (recover : alk. paper) 9780321570543 (recover : alk. paper) 0321570553 (math for elementary teachers : alk. paper) 9780321570550 (math for elementary teachers : alk. paper) Subjects--Topical Terms: Mathematics--Study and teaching (Elementary)Problem solving--Study and teaching (Elementary) LC Class. No.: QA135.6 / .B55 2010 Dewey Class. No.: 372.7