Mathematical understanding : selected results from the second assessment of mathematics /

Bibliographic Details

Corporate Authors:	National Assessment of Educational Progress (Project), National Institute of Education (U.S.)
Format:	Government Document Book
Language:	English
Published:	[Washington] : [Dept. of Health, Education, and Welfare, Education Division], National Institute of Education, 1979.
Series:	Report (National Assessment of Educational Progress (Project)) ; no. 09-MA-04.
Subjects:	Mathematical ability.