Arithmetic Teacher (1958) Vol. 5, No. 2
The . I Arithmetic Teacher MARCH • 1958 To Tell-or Not to Tell CAROLINE HATTON CLARK Commercial Games for Arithmetic DONOVAN A. JOHNSON Twenty Methods for Improving Problem Solving ROBERT H. KOENKER Divisibility and Prime Numbers PAUL YEAROUT Casting Out Nines and Other Numbers LUCY E. DRISCOLL THE ARITHMETIC TEACHER
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