TY  - BOOK
AU  - Van de Walle,John A.
AU  - Karp,Karen
AU  - Bay-Williams,Jennifer M.
TI  - Elementary and middle school mathematics :teaching developmentally
SN  - 9780205690053 (pbk.)
AV  - QA135.6.V36 2010 
U1  - 510.71/2 23
PY  - 2010///
CY  - Boston
PB  - Pearson/Allyn and Bacon
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Study and teaching (Middle school)
N1  - Includes bibliographical references and index
ER  -