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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

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Fletcher, Rodney – Australian Senior Mathematics Journal, 2010
In this sequence 1/1, 7/5, 41/29, 239/169 and so on, Thomas notes that the sequence converges to square root of 2. By observation, the sequence of numbers in the numerator of the above sequence, have a pattern of generation which is the same as that in the denominator. That is, the next term is found by multiplying the previous term by six and…
Descriptors: Numbers, Mathematics Instruction, Problem Solving, Equations (Mathematics)
Fletcher, Rodney – Australian Senior Mathematics Journal, 2008
This article presents a guided investigation into the spacial relationships between the centres of the squares in a Fibonacci tiling. It is essentially a lesson in number pattern, but includes work with surds, coordinate geometry, and some elementary use of complex numbers. The investigation could be presented to students in a number of ways…
Descriptors: Geometry, Mathematics Activities, Number Concepts, Geometric Concepts
Fletcher, Rodney – Australian Senior Mathematics Journal, 2007
There has been a lot of material written about logarithmic spirals of golden proportion but this author states that he has never come across an article that states the exact equation of the spiral which ultimately spirals tangentially to the sides of the rectangles. In this article, the author intends to develop such an equation. (Contains 5…
Descriptors: Mathematics, Mathematical Concepts, Equations (Mathematics), Numbers