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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing 2,176 to 2,190 of 4,675 results
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Young, Courtney D., Jr. – Mathematics Teacher, 1979
Allowing students to discover a winning strategy for this game is suggested as a way to introduce modular arithmetic. (MP)
Descriptors: Algebra, Computer Programs, Discovery Learning, Games
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Vest, Floyd – Mathematics Teacher, 1979
Practical decisions involving fuel economy are shown to require important skills from secondary school algebra and analysis. (MP)
Descriptors: Algebra, Graphs, Instruction, Learning Activities
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Staib, John – Mathematics Teacher, 1979
This problem solving strategy is illustrated by examples from the fields of algebra, trigonometry, geometry, and calculus. (MP)
Descriptors: Algebra, Calculus, Concept Formation, Geometry
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Pagni, David L. – Mathematics Teacher, 1979
The concept of prime factorization is discussed and two rules are developed: one for finding the number of divisors of a number and the other for finding the sum of the divisors. (MP)
Descriptors: Algorithms, Computation, Instruction, Mathematical Formulas
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Austin, Joe Dan – Mathematics Teacher, 1979
Students use a series of isosceles right triangles constructed on a geoboard to discover patterns and form generalizations. (MP)
Descriptors: Algebra, Discovery Learning, Geometry, Instruction
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Lott, Johnny A.; Nguyen, Hien Q. – Mathematics Teacher, 1979
A geoboard-related extremal problem dealing with both concave and convex polygons is discussed and a proof is given of the solution. (MP)
Descriptors: Algebra, Geometry, Instruction, Mathematics
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Lancaster, Ronald J. – Mathematics Teacher, 1979
Two statements concerning magic squares, considered as 3x3 matrices, are discussed and their proofs given using only high school level techniques. (MP)
Descriptors: Algebra, Instruction, Learning Activities, Mathematics
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Mathematics Teacher, 1979
Topics covered include alternate methods for finding LCM and GCF, imaginative word problems, and a primes-breakdown method of factoring quadratics. (MP)
Descriptors: Algebra, Algorithms, Instruction, Learning Activities
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Aviv, Cherie Adler – Mathematics Teacher, 1979
These worksheets deal with sums of numbers. Students are asked to find the relationship between the last number in the series, the number of addends, and the sum. (MP)
Descriptors: Calculators, Computation, Instruction, Instructional Materials
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Knaus, Ronald M.; Knaus, Christopher G. – Mathematics Teacher, 1979
A proof is given that in the purchase price, sales tax followed by discount is the same as discount followed by sales tax. (MP)
Descriptors: Algebra, Distributive Education, Mathematical Applications, Mathematics
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Maron, Melvin J. – Mathematics Teacher, 1979
A common misconception, f(x+y) = f(x)+f(y), is used to prove theorems such as: 2=1; n=o for all positive integers n; and tan x=1 for all x. (MP)
Descriptors: Concept Formation, Humor, Instruction, Mathematics
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Witczak, Terry A. – Mathematics Teacher, 1979
This puzzles uses a crossword format with the entries being factors of given polynomials. (MP)
Descriptors: Algebra, Instruction, Instructional Materials, Learning Activities
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Rauff, James V. – Mathematics Teacher, 1979
Four broad categories of mathematical skills are suggested as general education goals: academic mathematics, consumer mathematics, machine mathematics, and political mathematics. (MP)
Descriptors: Basic Skills, Consumer Education, General Education, Instruction
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Duncan, Richard B. – Mathematics Teacher, 1979
The mathematics involved in a computer solution of a well-known board puzzle is discussed. The BASIC program is given. (MP)
Descriptors: Computer Programs, Computers, Games, Mathematics
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Stannard, W. A. – Mathematics Teacher, 1979
Discussed is the problem of finding the volume common to two intersecting right circular cylinders. (MP)
Descriptors: Calculus, Instruction, Mathematics, Physics
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