enVision provides virtual math manipulatives to support conceptual understanding and the building of a strong mathematics foundation.  Below is a guide to all of the Math Tools that enVision offers, along with directions for the best use of each tool.  As it is 59 pages, don't let that discourage you.  You can search the tool that you want to use by clicking on  "Control and F" at the same time, then typing in the tool (counters, etc.).  If you need support with this please ask.