TY  - BOOK
AU  - Van de Walle,John A.
AU  - Karp,Karen S.
AU  - Bay-Williams,Jennifer M.
TI  - Elementary and middle school mathematics: teaching developmentally
SN  - 9780132612265
AV  - QA135.6 .V36 2013
U1  - 510.71/2 23
PY  - 2013///
CY  - Boston
PB  - Pearson
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Study and teaching (Middle school)
N1  - Includes bibliographical references (p. 507-526) and index
ER  -