• Journal for Research in Mathematics Education (1973) Vol. 4, No. 3

    JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION YOL.4, NO. 3 MAY 1973 THE NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS A Journal of the Nat ional Council of Teachers of Mathematics The Jo11rna/for Research ill Mathematics Education is devoted to the interests of teachers of mathematics and mathematics education at all lev