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Peer reviewedAllen, Charles E. – Mathematics Teacher, 1972
Worksheets on constructing the circumcenter, the centroid, the orthocenter, the incenter, and the Nine-Point Circle in a triangle are provided for duplication. (DT)
Descriptors: Experiential Learning, Geometry, Instruction, Instructional Materials
Peer reviewedMiller, William A.; Clason, Robert G. – Mathematics Teacher, 1994
Presents lesson plans for activities to introduce recursive sequences of polygons: golden triangles, regular pentagons, and pentagrams. The resulting number patterns involve Fibonacci sequences. Includes reproducible student worksheets. (MKR)
Descriptors: Algebra, Lesson Plans, Manipulative Materials, Mathematics Curriculum
