Mathematics Teacher (1977) Vol. 70, No. 7

  • Mathematics Teacher (1977) Vol. 70, No. 7

    AN OFFICIAl JOURNAl OF THE NATIONAl COUNCil OF TEACHERS OF MATHEMATICS The Mathematics Teacher is devoted to the improvement of mathematics instruction in the j unior high chools. senior high chools, two-year colleges, and teacher-educa tion colleges. E DPRESS Member of the Educational Press Associati on of menca The 1