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
This is available to members of NCTM. Please log in now to view this article. If you are interested in a NCTM membership join now.
Write for JRMESubmit Manuscripts Review for JRME