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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 all 8 results
Circles, Chords, Secants, Tangents, and Quadratic Equations
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1976
A geometric method of solving quadratic equations is described. (DT)
Descriptors: Algebra, Elementary Secondary Education, Geometry, Instruction
Exploring Skewsquares
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1976
Properties of quadrilaterals having diagonals which are perpendicular and equal in measure are explored. (DT)
Descriptors: Elementary Secondary Education, Geometric Concepts, Instruction, Mathematics Education
Factoring Polynomials and Place Value
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1974
Descriptors: Algebra, Algorithms, Generalization, Induction
Difference Equations.
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1988
Including difference equations in the mathematics curriculum is proposed. Some fundamental ideas and examples are presented. (MNS)
Descriptors: Equations (Mathematics), Mathematics Curriculum, Mathematics Instruction, Problem Solving
Imagination, Intuition, and Computing in School Algebra.
Peer reviewed Peer reviewed
Kieren, Thomas E.; Olson, Alton T. – Mathematics Teacher, 1989
Two incidents involving novice teachers with classes in grades 7 and 10 are presented. Then considered are the nature of intuitive mathematics and contributions computers can make to such intuitive mathematics, particularly in Algebra. (MNS)
Descriptors: Algebra, Computer Oriented Programs, Computer Uses in Education, Inequality (Mathematics)
Some Suggestions for an Informal Discovery Unit on Plane Convex Sets
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1973
Descriptors: Geometric Concepts, Geometry, Instruction, Mathematics Education
Building Birdhouses with Vectors and Linear Homogeneous Equations.
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1981
A series of problem solving situations designed around a hypothetical birdhouse factory is explored. The original material is designed around solving systems of equations, but the approach used is designed to be easily modifiable to incorporate other mathematical content. (MP)
Descriptors: Algebra, Instructional Materials, Mathematical Applications, Mathematics Instruction
Recursion Mathematics.
Peer reviewed Peer reviewed
Olson, Alton T. – Mathematics Teacher, 1989
Discusses the use of the recursive method to permutations of n objects and a problem making c cents in change using pennies and nickels when order is important. Presents a LOGO program for the examples. (YP)
Descriptors: Computer Oriented Programs, Computer Uses in Education, Mathematical Applications, Mathematical Formulas