Arithmetic Teacher (1976) Vol. 23, No. 5

  • Arithmetic Teacher (1976) Vol. 23, No. 5

    e eac NATIONAL COUNCIL OF 1EACHERS 0~ MATHEMATICS THE ARITHMETIC TEACHER is an official journal of the National Council of Teachers of Mathematics. It is not a spokesman for the editorial staff or the Council but a forum for the exchange of ideas, where responsible contributors may evaluate developments, share classroo