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Calculation Nation™ is a free education service of The National Council of Teachers of Mathematics. NCTM is a public voice of mathematics education, providing vision, leadership, and professional development to support teachers in ensuring mathematics learning of the highest quality for all students.

This site offers an introduction to mathematics and its variety of topics. It's not just for kids, it's for everyone (even if you aren't a number nut).

MathType is a powerful interactive equation editor for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and MathML documents. MathType works with 100s of applications and websites, allowing you to put Equations Everywhere and Anywhere™.

Nicely done...but use the link next to Play the flash version to see the exact clip. (The link at the top goes to the Internet Move Data Base --- one of my personal favs for movie info.)

There are a lot of cool things about DataMasher: the available datasets, the community built around that data, the unique visualization tools, and the easy-to-use interface of the site. What is truly intriguing about the site is the way users take two different datasets and create visual hypotheses. For example, to visualize the Most Reproductive States (US), one user combined the number of US births witH population figures from the 2008 US Census.

Widgenie lets users upload data from a variety of sources such as Excel spreadsheets, CSV files or Google Spreadsheets and using a drag and drop interface to create custom charts and graphs. Once the data has been arranged and styled, it is presented as a widget that can be embedded in web sites and social networks. Widgenie also has a premium service that offers unlimited widgets and branding opportunities.

Socrata is an online space for data lovers to browse datasets as well as create new visualizations to share with others. The data itself can be visualized in a number of ways including, charts, maps, graphs and tables. The site has hundreds of datasets to choose from which can be mashed and downloaded into a variety of file formats including CSV, PDF and XML. \n

Play games with students from other countries