National Assessment of Education Progress (Project) text Washington,D.C U.S. Dept. of Education, Office of Educational Research and Improvement monographic Description based on first issue; title from PDF t.p. (viewed Nov.18,2008). National Assessment of Educational Progress Project Mathematics Study and teaching (Elementary) Mathematical ability Mathematics Study and teaching (Secondary) ED 1.136/7: ED 1.136/7: http://purl.access.gpo.gov/GPO/LPS105510 http://purl.access.gpo.gov/GPO/LPS105510 20160527183905.0 300814