More Rapid Math: Tricks and Tips
Цена 11.56 - 24.33 USD
Math skills you can count on! In this eagerly awaited sequel to the popular Rapid Math Tricks and Tips, Professor Ed Julius shows you how to master difficult problems in addition, subtraction, multiplication, and division quickly, easily?and without a calculator. And have fun while doing it! By learning one to two tricks a day for thirty days, you?ll be amazed at the increase in your number power. Discover how you can quickly subtract by oversubtracting. Speed up your calculating with place–value multiplication. See how to add in seconds by breaking a number apart. More Rapid Math Tricks and Tips includes: Step–by–step examples to explain each technique Over 1,400 sample problems and practice exercises Challenging "brain builders" to keep you on your toes Weekly quizzes and a final exam so you can check your progress Fascinating mathematical curiosities and parlor tricks, such as the Amazing Age–Divining Trick and the Phenomenal Fifth–Root...