Arithmetic Teacher (1979-1980) Vol. 27, No. 5

  • Arithmetic Teacher (1979-1980) Vol. 27, No. 5

    o e e o 0 Mathematics is something learned from other people and with other people. And it's done with other people. We at Open Court kept this in mind when we developed a new elementary mathematics program: Real Mnt/1. We wanted the best authors in the right fields to work together. Experts like Dr. Stephen Willoughby