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Skurnick, Ronald – Mathematics and Computer Education, 2007
The Pythagorean Theorem, arguably one of the best-known results in mathematics, states that a triangle is a right triangle if and only if the sum of the squares of the lengths of two of its sides equals the square of the length of its third side. Closely associated with the Pythagorean Theorem is the concept of Pythagorean triples. A "Pythagorean…
Descriptors: Geometric Concepts, Arithmetic, Number Concepts, Mathematical Formulas
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O'Brien, Thomas D. – Mathematics and Computer Education, 2006
Magic squares have been of interest as a source of recreation for over 4,500 years. A magic square consists of a square array of n[squared] positive and distinct integers arranged so that the sum of any column, row, or main diagonal is the same. In particular, an array of consecutive integers from 1 to n[squared] forming an nxn magic square is…
Descriptors: Geometric Concepts, Arithmetic, Educational Games, Logical Thinking