TY  - BOOK
AU  - Marks,John L.
AU  - Purdy,Charles Richard
AU  - Kinney,Lucien Blair
TI  - Teaching elementary school mathematics for understanding
T2  - McGraw-Hill series in education. Supervision, curriculum, and methods in education
AV  - QA135.5 .M36 1970
U1  - 372.7 
PY  - 1965///]
CY  - New York
PB  - McGraw-Hill
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Local
N1  - First ed. published in 1958 under title: Teaching arithmetic for understanding; Includes bibliographical references
ER  -