Month in Review – September 2014

It’s the end of the month again so let us look back to what we have discussed.

What is amazing about mathematics is the strong connections between concepts and representations. See how the Greatest Common Factor which is all about numbers be connected to Geometry in The Geometric Representation of Greatest Common Factor. Also, watch the amazing connection between mathematics and music in Bach’s Music on a Moebius Strip.

This month we also have posts about technology. The most exciting probably is the release of the new GeoGebra 3D. There is one more exciting thing: Watch how Hans Rosling, founder of GapMinder foundation, show dynamic statistics your eyes in Hans Rosling: Stats That Reshape Your World View. In his presentation, Prof Rosling, used GapMinder, a free statistics software.

Technology can help us a lot, however, there is also danger in it.  See how a simple device can be used to steal ATM PINS and how can mathematics be used to guess them easily in ATM PIN Theft and the Mathematics of Systematic Guessing. Be careful!

We also had a classic geometric multiplication in  How to Multiply Using Lines and Dots

Lastly, watch the coolest math teacher break world record in pull ups and donate the money raised to cancer research in  Math Teacher Breaks Pull Up World Record.

That’s it.

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