Arithmetic Teacher (1978-1979) Vol. 26, No. 3

  • Arithmetic Teacher (1978-1979) Vol. 26, No. 3

    Arithmcztic ..-.. aChC!f Volume 26 I \iii. ~~~e:be~ 1978 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