ISSN 002 I -8251 JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION VOLUME 22 NUMBER 5 NOVEMBER 1991 National Council of Teachers of Mathematics The /tmmolfor Research ;, Matltemolics dt~colinfl, !Ill official JOurnal of the National Coundl of Tcuchers uf Mntbemaucs, ts devoted to the imerest• ul teacher• uf mnthematks and
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