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Peer reviewedReid, Bob – Mathematics Teacher, 1989
Relationships among the sides are developed for right triangles whose sides are in the ratios 1:3, 1:4, and 1:5. The golden ratio appears in the results which can be used in secondary mathematics. (DC)
Descriptors: Algebra, Discovery Learning, Geometric Concepts, Learning Activities
Peer reviewedThomaidis, Yannis – For the Learning of Mathematics, 1991
Presents an attempt to combine the history of mathematics of ancient Greece with the course on theoretical geometry taught in Greek secondary schools. Three sections present the history of ancient Greek geometry, geometrical constructions using straightedges and compasses, and an application of Ptolemy's theorem in solving ancient astronomy…
Descriptors: Foreign Countries, Geometric Concepts, Geometric Constructions, Integrated Activities
Bruck, Kimberley S.; Crump, Irving – Learning, 1995
Presents practical, teacher-tested tools and techniques based on National Council of Teachers of Mathematics (NCTM) standards for teaching mathematics. Covers Cognitively Guided Instruction (CGI) technique; story problems across the curriculum; advantages of using calculators in instruction; and manipulatives for plane geometry. Includes a chart…
Descriptors: Calculators, Class Activities, Elementary Education, Elementary School Mathematics
