The teaching of arithmetic.
The teaching of arithmetic.
Edited by Nelson B. Henry.
- Chicago Distributed by the University of Chicago Press 1951.
- xii, 308, lxx p. 23 cm.
- Yearbook of the National Society for the Study of Education, 50th, pt. 2 .
- National Society for the the Study of Education. Yearbook 50th, pt. 2. .
Includes bibliographies.
51009871
Arithmetic--Study and teaching.
LB5 / .N25 50th, pt. 2
370.62
Includes bibliographies.
51009871
Arithmetic--Study and teaching.
LB5 / .N25 50th, pt. 2
370.62