• Journal for Research in Mathematics Education (1981) Vol. 12, No. 5

    ISSN 0021-1251 JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION The Calculator for Concept Formation: A Clinical Status Study Merlyn J . Behr and Margariete Montague Wheeler Conceptual Issues In the Teaching and Learning of Fractions Donald M. Peck and Stanley M. Jencks Calculator Algorithms for Fractions with Community C