## June 2011 Week 3 Posts Summary

Here are the summary of posts of my three blogs this week.

**A. Math and Multimedia**

- The GeoGebra 4.0 Sneak Peek Series
- 5000 free math, physics, and engineering video tutorials and lectures
- List of Math and Multimedia Carnivals
- The Seven Bridges of Königsberg
- GeoGebra 4.0 Sneak Peek 4: Graphing Inequalities
- Exploring the World with WorldWide Telescope
- Guest Post: Vedic Mathematics 2 – Squaring Numbers Ending in 5

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