Learning Objects

Math Resources from The University of Illinois (collection)
http://www.mste.uiuc.edu/resources.php

Powers of Ten
http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/

Interactive Abacus Tutor
http://www.tux.org/~bagleyd/java/AbacusApp.html

Statistics Simulations from Rice University
http://onlinestatbook.com/stat_sim/index.html

Graphing Tutorial for Algebra
http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut21_graph.htm

Linear Algebra Toolkit
http://www.math.odu.edu/~bogacki/cgi-bin/lat.cgi

Ms. Lindquist: Algebra Word Problems
http://www.algebratutor.org/cgi-bin/testIPMsL2.pl

GeoGebra
http://www.geogebra.org/cms/

Math Learning Object Collections

• QuickMath: Automatic Math Solutions
  QuickMath is one of the most useful sites for common but tedious mathematical calculations. It is a free "online calculator that solves equations and does all sorts of algebra and calculus problems." Separated into many different functional sections, this handy tool can simplify expressions, evaluate symbolic integrals, plot equations, and much more. When inputting a problem into QuickMath for it to solve, users have an option to use basic or advanced controls depending on the problem's intricacies. Each section has an associated help feature, which allows users to see examples demonstrating how to use the interface.
  http://www.quickmath.com
  
• The Abacus
  Parents often scoff at the powerful calculators their children use for math classes, noting that they had to learn with slide rules. A device that predates both tools, however, is the focus of this unique site. The abacus has roots in the fifth century B.C., and still sees limited use in various parts of the world. A very thorough overview is provided online, with interactive applets that teach the user how to perform addition, subtraction, multiplication, and division with an abacus. Several excerpts from a textbook demonstrate square and cube root extraction. Historical perspectives are given that trace the use of the abacus through time and different civilizations.
  http://werwolf.ee.ryerson.ca:8080/~elf/abacus