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Anderson, Oliver D. – Mathematics and Computer Education, 1990
Discusses arithmetic during long-multiplications and long-division. Provides examples in decimal reciprocals for the numbers 1 through 20; connection with divisibility tests; repeating patterns; and a common fallacy on repeating decimals. (YP)
Descriptors: Arithmetic, Computation, Decimal Fractions, Division
Peer reviewed Peer reviewed
Thrash, Karen R.; Walls, Gary L. – Mathematics and Computer Education, 1991
Presented is an activity where students determine the multiplication tables of groups of small order. How this can be used to help develop an understanding of the concept of group isomorphism is explained. (KR)
Descriptors: Algebra, College Mathematics, Higher Education, Learning Activities