EZ Math Trix: Addition & Subtraction
By using the tricks and techniques provided in this series, students will gain the ability to do their own calculations quickly and accurately. Results have shown, using these skills can dramatically improve student‚Ä∞€™s math skills. Learn to improve your math skills using quick addition and subtraction tricks! This program covers: Introduction, Siri Time Constant, Addition Tricks, Subtraction Tricks and the Algebra Trick.