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"This archive is designed as a resource for enriching your math courses and nurturing your interest and talent in mathematics! Each Math Fun Fact is a math puzzle or short article that contains a cool mathematics idea. You'll can learn about the mathematics of things like card shuffling to poker to computer vision to fractals to music, just to name a few. This makes great enrichment material for gifted math students or problem-solving groups."

Opus is a new service that aims to help middle school mathematics teachers discover sample math problems aligned to Common Core standards. To find problems on Opus search by entering a topic and selecting a grade. You can also find problems by clicking the "browse the Core directly" link on the Opus homepage. Either way when you find a problem you can save it to your free Opus account where you can then generate a Word doc or Google Document of all of your saved problems. You can also create an answer sheet in your Opus account.

"Welcome!  Real World Math is a collection of free math activities for Google Earth designed for students and educators. Mathematics is much more than a set  of problems in a textbook.  In the virtual world of Google Earth, concepts and challenges can be presented in a meaningful way that portray the usefulness of the ideas."

Interactive, standards-basedresources for grades 6-12 in English, Science, Social Studies, Mathematics, and Spanish. FREE.

"Create your own worksheets to visualize, interact with and explore the amazing world of mathematics. MathDisk online is absolutely free for everyone."

GoldenNumber.Net exists to share information on the pervasive appearance of Phi, 1.618 ... ,  the Golden Ratio in life and the universe.  Its goal is to present a broad sampling of phi related topics in an engaging and easy-to-understand format and to provide an online community in which new findings about Phi can be shared.  Select an area of interest below or begin with Phi for NeoPhites or the Golden Ratio Overview article.  Enjoy the 'phi-nomenon'!

Interesting problems with topics relevant to current events.

Clips from movies involving Math!  Download and use in your lesson.