Arithmetic Teacher (1978-1979) Vol. 26, No. 7

  • Arithmetic Teacher (1978-1979) Vol. 26, No. 7

    . Arithmatic ~aachczr Volume 26 I • ~~~c~e; :79 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 Math. We wanted the best authors in the right fields to work together