More Rapid Math: Tricks and Tips

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, easilyæand 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 br ...