Online math materials
March 15, 2010 § Leave a comment
For those looking into a secondary math endorsement, here is an online tool you may find useful.
From the introduction to GeoGebra:
“GeoGebra is dynamic mathematics software for schools that joins geometry, algebra, and calculus.
On the one hand, GeoGebra is an interactive geometry system. You can do constructions with points, vectors, segments, lines, and conic sections as well as functions while changing them dynamically afterwards.
On the other hand, equations and coordinates can be entered directly. Thus, GeoGebra has the ability to deal with variables for numbers, vectors, and points. It finds derivatives and integrals of functions and offers commands like Root or Vertex.
These two views are characteristic of GeoGebra: an expression in the algebra window corresponds to an object in the geometry window and vice versa.”
GeoGebra is free of charge, and may be used online through an applet, downloaded to a computer, or accessed offline.
Since I have not taken a math course in nearly ten years, I can’t vouch for this site’s usability. However, it has been recommended by several posters on an education forum I subscribe to. It also is pretty neat to play with, even if you don’t have a clue what you’re doing. 🙂
Google Sketchup is also recommended by teachers on the EdTech forum.