Mathematics Teacher (1991) Vol. 84, No. 1

  • Mathematics Teacher (1991) Vol. 84, No. 1

    Al'i OFFICIAL JOURl'iAL 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, twoyeea colleges, and teachereduccatio colleges. The publications of the National Council of Teachers of Mathematic