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 Trick Whether calculating the total at the supermarket checkout, reconciling a bank statement, or figuring the sales tax on your latest purchase, More Rapid Math Tricks and Tips makes working with numbers fast, fun, and easy. It's a must for math lovers, as well as students, teachers, and anyone who works with numbers on a regular basis. "Ed Julius has written another engaging book that will definitely excite the mind." --Mick Horwitz, Founding Director Sierra Canyon College Preparatory School, "The original Rapid Math Tricks and Tips has been a staple in my classroom for the past four years. The sequel is definitely another winner!" --Laurie Curtis-Abbe, Teacher Anacapa Middle School, a California/National School of Excellence a U.S. Department of Education Blue Ribbon Exemplary School
Partial table of contents: MORE BASIC RAPID MATH TRICKS. Multiplying with Little or No Carrying. Subtracting Without Borrowing. Adding Pluses and Minuses. Multiplying with Factors. Multiplying by 6. Adding by Multiplying. MORE INTERMEDIATE RAPID MATH TRICKS. Dividing by Showing Little or No Work. Dividing by Regrouping I. Multiplying by 12. Subtracting by Oversubtracting. MORE ADVANCED RAPID MATH TRICKS. Multiplying with Numbers 11 Through 19. Squaring Any Number Ending in 2 or 8. Squaring Any Number Ending in 6. Squaring Numbers Between 90 and 100. MORE UNUSUAL RAPID MATH TRICKS. Multiplying Consecutive Numbers Ending in 5. Multiplying by Fractions. Multiplying by 999. Checking Addition and Subtraction. Conclusion. Appendices. Solutions. Summary of the 54 Number-Mastery Tricks for Handy Reference.
(0 Comentarios)
