Get this full course at: http://www.MathTutorDVD.com We learn the most important secret of mental addition that can be applied to addition problems of any length. In this lesson you will learn how to perform fast mental math tricks and speedy calculations. You will gain addition practice with many math problems, and build skills with number sense. Learn these amazing math tricks and learn how to perform fast mental math calculations!. 03 - Mental Math Secrets! - The Secret to Mental Addition - Math Tricks for Fast Calculations! Mental Math: The Key to FAST Addition Mental Math: How to Add QUICKLY & Accurately Mental Addition Tricks for Faster Calculations How to Add FASTER in Your Head — Mental Math