**url: ** http://mathway.com/default.aspx

**title: ** Mathway: Math Problem Solver

**description: ** Free math calculator answers your basic math, algebra, trigonometry, and calculus homework problems.

**url: ** http://www.visualfractions.com/

**title: **

**description: ** A fractions tutorial that models fractions with number lines or circles. Fraction games are included.

**url: ** http://www.shodor.org/interactivate/activities/AlgebraFour/?version=1.5.0_09&browser=MSIE&vendor=Sun_Microsystems_Inc.

**title: ** Interactivate: Algebra Four

**description: **

**url: ** http://www.ltcconline.net/greenl/java/BasicAlgebra/LineGraph/LineGraph.htm

**title: **

**description: **

**url: ** http://www.codecogs.com/components/equationeditor/equationeditor.php

**title: ** Online LaTeX Equation Editor

**description: ** HTML LaTeX equation editor that generates graphical equations (gif, png, swf, pdf, emf). Produces code for directly embedding equations into HTML websites, forums or blogs. Images may also be dragged into other applications like Word. Open source and XHTML compliant.

**url: ** http://www.geogebra.org/cms/index.php?option=com_frontpage&Itemid=1

**title: ** GeoGebra

**description: ** GeoGebra - Dynamic Mathematics for Schools

**url: ** http://www.arcytech.org/java/fractions/fractions.html

**title: **

**description: ** Java applet that implements Fraction bars to visualize and learn the basic fractions concepts

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