Mathematics Teacher (1980) Vol. 73, No. 5

  • Mathematics Teacher (1980) Vol. 73, No. 5

    AN OFFICIAL JOURNAL OF THE NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS The Mathematics Teacher is devoted to the improvement of mathematics instruction in the junior high schools, senior high schools, two-year colleges, and teacher-education colleges. EDPRESS Member of the Educa tional Press Association of America The