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Online Summer Number Sense, General Math, and Calculator Application and MATHCOUNTS Classes CLICK HERE TO SIGN UP Online Summer Number Sense, General Math, and Calculator Application and MATHCOUNTS Classes Back by popular demand this summer, Anthony Gillespey the founder of MathNinja.Org and coach of the State 5A TMSCA Number Sense, Calculator, and General Math Champions …

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  Click HERE to add to cart Winter Break Online Advanced Number Sense Class Back by popular demand this December, Anthony Gillespey the founder of MathNinja.Org and coach of the highest scoring state championship TMSCA Number Sense Team will be hosting 3-day online Winter Break Advanced Number Sense Class.  The class sizes will be kept small so …

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Well everyone its been many years in the making but the new Number Sense book is now for presale. Click here to purchase [wp_cart_button name=”Advanced Number Sense Workbook Volume 2″ price=”25.00″] [show_wp_shopping_cart] If you would like to purchase multiple books please email me at ma*************@***il.com Here is a quick excerpt of the table of contents …

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Congratulations to my amazing team at Flour Bluff.  You all have an immense amount of pressure on you each year to keep our win streak alive.  We know how hard you guys worked and it showed at state.  You guys winning nearly 40% of all the top 10’s in 7th and 8th grade math events …

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So a former student of mine Nick Gallegos made a quadratic equation rap that is pretty funny.  Enjoy!!! Good Job Nick!!

So my favorite fact in mathematics is the picture that follows.  If you add all the counting number to infinity you arrive at an answer of -1/12!!! That math works.  Watch the video below for more information.

http://mathninja.org/number-sense-workbook-errata/