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Direct linkBenacka, Jan – International Journal of Mathematical Education in Science and Technology, 2012
In some secondary mathematics curricula, there is a topic called Stereometry that deals with investigating the position and finding the intersection, angle, and distance of lines and planes defined within a prism or pyramid. Coordinate system is not used. The metric tasks are solved using Pythagoras' theorem, trigonometric functions, and sine and…
Descriptors: Trigonometry, Mathematics Activities, Mathematics, Mathematics Education
Sigurdson, Solberg E. – Elements: Translating Theory into Practice, 1974
This article is an attempt to convince the reader that transformational geometry (motion geometry) can be dealt with in a significant manner for students in the junior high school. (Author)
Descriptors: Diagrams, Geometric Concepts, Junior High School Students, Mathematics
