Mathematics Teacher (1929) Vol. 22, No. 4

  • Mathematics Teacher (1929) Vol. 22, No. 4

    THE MATHEMATICS T EACHER VOLUME XXII APRIL, 1929 NUMBER 4 EDITOR'S NOTE THE MATIJEMATICS 'fEACIJER is the only magazine in the United States devoted entirely to the interests of elementary and secondary teachers of mathematics. Moreover, the subscriiptio price of $2.00, which includes membership in the Natioona Council