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Category Archives: Geometry
Roots of Unity
on GeoGebra https://www.geogebra.org/m/sZFwAZfs
Posted in Algebra, Ed Tech, Geometry, Trigonometry
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Hidden Figures Curriculum for Schools
Check out http://mentalfloss.com/article/94297/hiddenfigurescomingclassrooms Free download of a curriculum based on the movie Hidden Figures.
Posted in Geometry, STEM, Teaching
Tagged Hidden Figures, interdisciplinary
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Free Worksheets site – Kuta
https://www.kutasoftware.com/freeipa.html
Memoranda Mathematica: A Synopsis of Facts, Formulae, and Methods (1912 book)
At this the MathFest (Washington DC 2015) lecture by Richard Guy and John Conway I learned of a book from 1912. Probably only of interest to math geeks. (yep math geek alert) I find it interesting that this reference book … Continue reading
Great Reference Sheets (Math)
EEWeb has a very good Math Help page with numerous Quick Reference Sheets Algebra – Properties Geometry – Shapes and Solids Trigonometry – Definition (has unit circle) Trigonometry – Laws and Identities Calculus – Derivatives and Limits Calculus – Integrals … Continue reading
Spotting Numbers and Visual Patterns
Here a two great websites that provide lots of great pattern problems. Spotting Numbers Visual Patterns These patterns can be used with elementary students (if you just ask number questions) through advanced algebra (if you include questions about functions). Mathematics … Continue reading
Posted in Algebra, geometric patterns, Geometry, mathematical reasoning, Problem Solving, sequences
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On Symmetries of an Icosahedron
http://math.ucr.edu/home/baez/six.html http://math.ucr.edu/home/baez/week79.html http://www.ams.org/notices/199509/kostant.pdf http://www.ams.org/notices/199509/index.html symmetries of the cube: https://www.math.lsu.edu/~verrill/teaching/discrete2020/Spring2005/cubesolution.pdf http://www.ams.org/samplings/featurecolumn/fcarccubes7
Posted in Geometry, icosahedron, Platonic
Tagged Symmetry
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