Arithmetic Teacher (1973) Vol. 20, No. 1

  • Arithmetic Teacher (1973) Vol. 20, No. 1

    An official journal of THE NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS JANUARY 1973 Volume 20, Number 1 A model for teaching multiplication of fractional numbers George F. Green, Jr. Another look at fractions Harald M. Ness, Jr. Egg cartons again?! James M. Sherrill EOPDICA Carl D. Hicks H you would like a math system