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Geometry Expressions Books
Journal of Symbolic Geometry
Videos on YouTube
Learn the power of Geometry Expressions by browsing through our many examples.
Conics and Loci (6)
Conic sections (parabolas, hyperbolas, ellipses, circles) can all be described as a locus of points. This unit of lessons helps students investigate conics via loci.
Sketching an Ellipse at the Beach
Figures with Sticks and String Figures with Sticks and String If you were on a Pacific beach and found a piece of old fishing net, a
Archimedes Trammel is a device consisting of a handle attached at two pivot points to sliders which can slide to and fro in perpendicular slots. In this activity, we will investigate the curve formed by the trammel.