Mathematics Teacher (1929) Vol. 22, No. 2
THE MATHEMATICS TEACHER VOLUME XXII FEBRUARY, 1929 NUMBER 2 GRAPHS AS A PART OF COOPERATIVE:\IATHE?IfATICS BY FLETCHER DURELL Belleplain, N. J. Symbols may be grouped in two main classes. Described in mathematical terms these classes or groups are (1) geometric, (2) algebraic. Geometric symbols resemble the represented
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