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Listed under:  Mathematics  >  Geometry  >  Points  >  Loci
Interactive resource

EagleCat: spin graph

Investigate the beautiful patterns that can emerge from the locus of a point on one circle rolling around another circle. Investigate families of curves that can be produced by: (a) changing the size of the rolling circle only, (b) changing the size of the fixed circle only or (c) changing the position of the point only.

Teacher resource

Quadratics

This is a teacher resource for quadratics consisting of a website and a PDF with identical content. The website contains a number of screencasts discussing the solutions of exercises, a number of interactives demonstrating properties of quadratics and accompanying screencasts describing the interactives. The resource contains ...