TY  - BOOK
AU  - Heddens,James W.
AU  - Speer,William R.
TI  - Today's mathematics
SN  - 0134933621 (set)
AV  - QA135.5 .H42 1997
U1  - 372.7 20
PY  - 1997///
CY  - Upper Saddle River, N.J.
PB  - Merrill
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Includes bibliographical references and indexes; pt. 1. Concepts and classroom methods -- pt. 2. Activities and instructional ideas
ER  -