A delegation of 22 mathematics educators sponsored by the Illinois Council of Teachers of Mathematics visited Japan September 23-October 11, 1988. The group included teachers from elementary through university levels. The group visited 16 schools, 2 teacher training colleges, a scientific university, and 2 juku schools in the four major population centers of Tsukuba, Tokyo, Nagoya, and Osaka. Visits also included bookstores, factories, and cultural sites. School visits included briefing, classroom visits, and discussions with teachers. Similarities and differences between Japanese and American societies and education are identified. The Japanese mathematics curriculum content for grades 1 through 12 is described. Other topics included are Japanese educational change, uses of technology, and implications for mathematics teaching in the United States. Four tables and 22 references are included. (DC)