TY  - BOOK
AU  - Marks,John L.
TI  - Teaching elementary school mathematics for understanding
SN  - 0070404224
AV  - QA135.5 .M36 1975
U1  - 372.7 
PY  - 1975///]
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. Previous editions by J. L. Marks, C. R. Purdy, and L. B. Kinney; Includes bibliographies
ER  -