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Download full textPaeplow, Colleen – Wake County Public School System, 2010
In 2006-07, seven Wake County Public School System (WCPSS) middle schools piloted Algebraic Thinking as an alternate approach to teaching middle school mathematics. Algebraic Thinking was developed to help students in grade 6 reach higher mathematics courses by combining the regular and advanced middle school mathematics courses into one…
Descriptors: Secondary School Mathematics, Middle Schools, Algebra, Mathematics Instruction
Peer reviewed
Direct linkXu, Junqin; Zhao, Likuan – International Journal of Mathematical Education in Science & Technology, 2006
Eigenvalue is an important concept in Linear Algebra. It is well known that the eigenvectors corresponding to different eigenvalues of a square matrix are linear independent. In most of the existing textbooks, this result is proven using mathematical induction. In this note, a new proof using Vandermonde determinant is given. It is shown that this…
Descriptors: Mathematical Concepts, Algebra, Mathematical Logic, Mathematics Education
Koeber, Martin; Schafer, Uwe – International Journal of Mathematical Education in Science & Technology, 2006
An easy way to present the uniqueness of the square root of a positive semidefinite matrix is given.
Descriptors: Transformations (Mathematics), Matrices, Mathematical Logic, Equations (Mathematics)
