Arithmetic Teacher (1973) Vol. 20, No. 4
An official journal of THE NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS APRIL 1973 Volume 20, Number 4 The metric system: past, present-future? Arthur E. Hallerberg Going metric in Hawaii /rv King and Nancy Whitman Metrication in Britain Elizabeth Williams Schools are going metric Fred J. Helgren THE ARITHMETIC TEACHER
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