Arithmetic Teacher (1955) Vol. 2, No. 5

  • Arithmetic Teacher (1955) Vol. 2, No. 5

    .The Arithmetic -.. -" '. . . . . . .. I. T. e a .c...fi • ~ . :e.:r. . . ~. . . . .. , .. -. . •. ' . '..-_. . . . ' --. .-. _,_ . ..... '" .::~: , . . , :. :.::~'f: .. ) .. Y .. ~.y.:~ .. ... DECEMBER 1955 Which Way Arithmetic? H. VAN ENGEN Ten Years of Meaningful Arithmetic in New York City LAURA K. EADS Lab