01135cam a22002531 4500 e 20000409 DLC 20260227111211.0 800214s1920 dcu f000 0 eng c e 20000409 (OCoLC)5985168 U.S. Off. of educ. Library MChB OCoLC DLC premarc L111 .A6 1920, no. 1 370.6173 s National Education Association of the United States. Commission on the Reorganization of Secondary Education. The problem of mathematics in secondary education. A report of the Commission on the reorganization of secondary education, appointed by the National education association. Washington, Govt. print. off., 1920. 24 p. 23 cm. U.S. Bureau of education. Bulletin 1920, no. 1 At head of title: Department of the interior. Bureau of education ... Copy 1 bound with: Bulletin / United States. Bureau of Education, 1920, no. 2-1920, no. 12, subsequent to publication. Mathematics Study and teaching (Secondary) 20375 20375