Activities to extend the core curriculum through the study of the periodicity of rational numbers to help students develop calculator and research skills are presented. Four worksheets are included, to be used as discovery activities. A computer program is listed, as well as examples of periodic pictures. (MNS)

Discusses the potential impact of the National Council of Teachers of Mathematics Curriculum and Evaluation Standards for School Mathematics on teacher education programs. Considers an historical perspective on reform as well as teacher and student conceptions. (PK)

Describes an activity which introduces students to each other while introducing the concept of Cartesian coordinates. Also describes an activity for finding the least common multiple, and computer programs (with listings) for generating shapes resembling windowpanes and for determining amounts wagered in a golf game. (JN)

Hilton describes the team of cryptanalysts who tried to decipher German and Japanese codes during the Second World War. The work of Turing, essentially developing the computer, is reported, as well as inferences about pure and applied mathematics. (MNS)

Adopted from the Presidential Address at the 1995 NCTM Annual Meeting in Boston. Discusses reforms of the past; answering critics; and reaching out to parents, university colleagues, and policymakers. (MKR)

Discussed are four areas to be addressed in the implementation of mathematics reform in the United States: program, process, progress, and product. Efforts by the National Council of Teachers of Mathematics to address these areas are reviewed. (CW)