Welcome the third edition of the Mathematics and Multimedia blog Carnival. This will be the last edition that I will be hosting this year. The fourth edition will be hosted by Wild About Math!.

Before we begin, let’s have some interesting trivia about the number three.

- Three is the first odd prime number and the second smallest prime.
- Three is the second triangular number and it is the only prime triangular number.
- Three is the fourth Fibonacci number and the third that is unique.
- Three is the number of witches in William Shakespeare‘s
*Macbeth*.

**MATHEMATICS**

**David Pilarski **explains Graphing a Linear Model using *x* and *y* intercepts with video posted in his Algebra and Geometry blog.** **

**Jin Li** teaches How to Calculate Mean, Median and Mode for a Set of Data posted at Ehow.com

**Daniel Chiquito** presents Pythagorean Theorem’s Proof without words posted at Equalis Community Blog.

**Maria Droujkova** shows The house that Math 2.0 built posted at Natural Math.

**Bradford Hansen-Smith** exhibits connection between paper plates and math in Center Off-Center posted at Whole Movement.

**Caroline Mukisa** teaches parents What they Need to Know About the Multiplication Facts posted at Maths Insider.

**Pat Ballew** demonstrates how to Trisect an Angle posted at Pat’sBlog.

**MULTIMEDIA**

**Erlina Ronda** uses GeoGebra to teach the concept of square root in GeoGebra and Mathematics: Square and Square Roots posted at Keeping Mathematics Simple.

**Colin Graham** integrates paper folding and ICT in his First online manipulative – virtual origami posted at Sine of the Times: Dividing the Universe by Zero.

**Mr. Ho** introduces Radian Measure using GeoGebra posted at Mathing.

**John Golden** turns a home situation inoto a modeling problem using GeoGebra in My Basement is a Problem posted at Math Hombre.

**Will Emeny** presents great Ideas for ICT based homeworks posted at Great Maths Teaching Ideas

**Mathew Needleman** introduces The Right Way to Show Movies in Class posted at Creating Lifelong Learners.

**David Wetzel **gives insights on How to Integrate Wolfram Alpha into Science and Math Classesposted at Teach Science and Math (link no longer working).

That concludes this edition. Submit your blog article to the next edition of the **Mathematics and Multimedia Blog carnival** using our carnival submission form. Past posts and future hosts can be found on our blog carnival index page.

You may also want to read the following:

- Math and Multimedia Blog Carnival 1
- Math and Multimedia Blog Carnival 2
- Let’s Play Math Blog Carnival 29
- Carnival of Mathematics 69
- Complete List of Let’s Play Math Carnivals

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**Photos:** *Carnival at Speed *by Stuseeger, *Evolution3glyph* by Wikimedia Commons, *Number Three of White Paint Dots* by *Horia Varlan, Squares and Square Roots *by Erlina Ronda, *Number Three* by Bludgeoner86

I would really love to make a blog but.. I’m not sure what type of blogs get the most traffic? What kind of blogs do you surf? I mostly surf photo blogs and fashion blogs. Just getting a poll here thanks!.

Just blog on what you really love to write. Try reading Blogineering.com to get tips for beginners.