Arithmetic Teacher (1979-1980) Vol. 27, No. 8

  • Arithmetic Teacher (1979-1980) Vol. 27, No. 8

    [ij Arithmcztic ~ .. achczr Volume 27 I '-~~~"f~:o 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 Matll. We wan ted the best authors in the right fields to work tog