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Complex Numbers as Residue Classes of Polynomials mod (x squared plus 1)
Peer reviewed Peer reviewed
Schmalz, Rosemary – Two-Year College Mathematics Journal, 1972
Descriptors: College Mathematics, Instruction, Mathematics, Number Concepts
Back to the Square Root of 2
Peer reviewed Peer reviewed
Rothbart, Andrea – Mathematics Teacher, 1972
Descriptors: Instruction, Mathematics, Mathematics Education, Number Concepts
A Generalized Base for Integers
Peer reviewed Peer reviewed
Woo, Norman – Mathematics Teacher, 1973
Descriptors: Instruction, Integers, Mathematics, Number Concepts
A Picture of the Rational Numbers: Dense But Not Complete
Peer reviewed Peer reviewed
Allison, Joe Frank – Mathematics Teacher, 1972
Descriptors: Graphs, Instruction, Mathematics, Number Systems
Can the Complex Numbers Be Ordered?
Peer reviewed Peer reviewed
Weimer, Richard C. – Two-Year College Mathematics Journal, 1976
The question of whether the complex numbers can be ordered was investigated. (DT)
Descriptors: College Mathematics, Higher Education, Instruction, Mathematics
Base Negative Two
Hale, David; Wells, Peter – Mathematics Teaching, 1972
Descriptors: Instruction, Mathematical Enrichment, Mathematics, Number Concepts
Changing Bases by Direct Computation
Peer reviewed Peer reviewed
Lee, John W. – Mathematics Teacher, 1972
Descriptors: Addition, Algorithms, Instruction, Mathematics
A Geometric Approach to the Orders of Infinity
Peer reviewed Peer reviewed
Schoen, Harold L. – Two-Year College Mathematics Journal, 1972
Descriptors: College Mathematics, Geometry, Instruction, Mathematics
Two-Pan Weighings
Peer reviewed Peer reviewed
Burditt, Chris – Two-Year College Mathematics Journal, 1972
The minimum number and type of whole-unit weights needed to balance any object is extended to the situation where weights may be placed on both pans of a balance scale. (DT)
Descriptors: College Mathematics, Instruction, Mathematics, Measurement
Real Numbers and Infinite Decimals
Peer reviewed Peer reviewed
Staples, John – Australian Mathematics Teacher, 1973
Descriptors: Decimal Fractions, Instruction, Mathematical Concepts, Mathematics
A Generalization of Pascal's Triangle
Truran, T. P. – Mathematics Teaching, 1972
Descriptors: Instruction, Mathematical Enrichment, Mathematics, Mathematics Materials
An Approach to Complex Numbers
Willson, William Wynne – Mathematical Gazette, 1970
Descriptors: Algebra, College Mathematics, Instruction, Mathematics
b-ary Fractions
Peer reviewed Peer reviewed
Wiscamb, Margaret – Math Teacher, 1970
Presents three algorithms for changing decimal fractions to basic five (quinary) fractions, or for any base to "b-ary fractions. (RP)
Descriptors: Fractions, Instruction, Mathematical Concepts, Mathematics
Rounding as a Binary Operation.
Peer reviewed Peer reviewed
Ross, Joan – Mathematics Teacher, 1978
The operation of rounding is shown to lead into an investigation of an abstract mathematical system. Properties of the system are discussed and graphs of the rounding function are drawn. Some questions for discussion are given. (MP)
Descriptors: Algebra, Discovery Learning, Graphs, Instruction
It Works for Base Ten and Other Bases Too
Peer reviewed Peer reviewed
Minne, Nels; Johnson, Herbert N. – Mathematics Teacher, 1972
A theorem on divisibility in decimal and non-decimal numeration systems is developed; its use in a series of discovery-centered lessons is suggested. (DT)
Descriptors: Division, Induction, Instruction, Mathematics
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