• Journal for Research in Mathematics Education (1991) Vol. 22, No. 2

    ISSN 0021-8251 JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION VOLUME 22 NUMBER 2 MARCH 1991 Natrona/Council of Teachers of Mathematics The Joumalfor Research i11 MathemaJics Educatiofl, <lll ofticial journal of the Nauonal Counc1l of Teachers of Mathematic~. "devoted to the Interests of teachers of mathematics and mathe