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
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