Arithmetic Teacher (1976) Vol. 23, No. 4

  • Arithmetic Teacher (1976) Vol. 23, No. 4

    e eac NATIONAl COUNCil OF IEACHERS OF MATHEMATICS THE ARITHMETIC TEACHER is an official journal o f the National Council of Teachers of Mathematics. It is not a spokesman for the editorial staff or the Council but a fo rum for the exchange of ideas, where responsible contributors may evaluate developments, share classr