Arithmetic Teacher (1975) Vol. 22, No. 3

  • Arithmetic Teacher (1975) Vol. 22, No. 3

    NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS you need oR1E~cl'\ERS ... edited by Jon L. Higgins, a joint project of the NCTM and the Educational Resources Information Center (ERIC) Clearinghouse for Science, Mathemattics and Environmental Education. Contributions by seventeen authors have been compiled in this 144-page