How children use arithmetic.

Bathurst, Effie G. 1886-

How children use arithmetic. - [Washington] Federal Security Agency, Office of Education 1951. - v, 13 p. illus. 23 cm. - [U. S.] Office of Education. Bulletin, 1951, no. 7. Place of subjects series . - United States. Office of Education. Place of subjects series. . - Bulletin (United States. Office of Education) ; 1951, no. 7. .

Copies 1 and 2 with: Frustration in adolescent youth / David Segel. Washington : Govt. Print. Off., 1951. Bound together subsequent to publication.

e 51000029


Arithmetic--Study and teaching.

L111 / .A6 1951, no. 7

372.7

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