More rapid math tricks and tips : 30 days to number mastery
著者
書誌事項
More rapid math tricks and tips : 30 days to number mastery
J. Wiley, c1996
- : pbk
大学図書館所蔵 全1件
注記
入力は遡及データによる
内容説明・目次
内容説明
Math skills you can count on!
In this eagerly awaited sequel to the popular Rapid Math Tricks andTips, Professor Ed Julius shows you how to master difficultproblems in addition, subtraction, multiplication, and divisionquickly, easily?and without a calculator. And have fun while doingit!
By learning one to two tricks a day for thirty days, you'll beamazed at the increase in your number power. Discover how you canquickly subtract by oversubtracting. Speed up your calculating withplace-value multiplication. See how to add in seconds by breaking anumber 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 asthe 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 yourlatest purchase, More Rapid Math Tricks and Tips makes working withnumbers fast, fun, and easy. It's a must for math lovers, as wellas students, teachers, and anyone who works with numbers on aregular basis.
"Ed Julius has written another engaging book that will definitelyexcite the mind." --Mick Horwitz, Founding Director Sierra CanyonCollege Preparatory School,
"The original Rapid Math Tricks and Tips has been a staple in myclassroom for the past four years. The sequel is definitely anotherwinner!" --Laurie Curtis-Abbe, Teacher Anacapa Middle School, aCalifornia/National School of Excellence a U.S. Department ofEducation Blue Ribbon Exemplary School
目次
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.
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