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More Rapid Math: Tricks and Tips: 30 Days to Number Mastery 1st Edition

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Edward H. Julius (Author)
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Edward H. Julius (Author)
4.3 out of 5 stars 12 customer reviews
ISBN-13: 978-0471122388
ISBN-10: 0471122386
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Product Details

  • Paperback: 240 pages
  • Publisher: Wiley; 1 edition (March 13, 1996)
  • Language: English
  • ISBN-10: 0471122386
  • ISBN-13: 978-0471122388
  • Product Dimensions: 7 x 0.7 x 10 inches
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (12 customer reviews)
  • Amazon Best Sellers Rank: #574,527 in Books (See Top 100 in Books)

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Customer Reviews

Most Helpful Customer Reviews

12 of 14 people found the following review helpful
Tricks? yes, but some excellent rapid calculation methods
By Charles M. Proctor, Jr. on October 21, 2001
Format: Paperback
While I haven't actually used this book I have used its predecessor and find that the two are very similar in format. I have gone through all 26 of the sample pages and found each "trick" or method is very well designed. Each consists of a concise but clear explanation, two or three fully explained examples followed by two sets of exercises. the first are easy applications; the second harder. All of the methods are valid rapid calculation devices. Unfortunately, most of the multiplication and division methods involve special cases which the average person may not ever see or recognize in typical daily encounters with the need for computation. The addition and subtraction methods are more general. The book will prove most valuable to someone who is already fairly accomplished in computation skills but wishes to brush up on them and, perhaps, to pick up a few rapid calculation methods which can be used very frequently. Otherwise, the book may help one brush up on rusty comp. skills or prove interesting in attempting to discover why the various "tricks" work (the author does not explain the mathematical basis on which the methods rest - he deals in "how-to" not "why?". One final caution - if you have not memorized the basic arithmetic combinations of addition, subtraction, mulltiplication, and division this book is not for you.
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4 of 4 people found the following review helpful
Disappointing
By F. Knoph on May 29, 2008
Format: Paperback
I have read the first of Julius' books, "Rapid Math Tricks and Tips", and found it very interesting. Therefore, I eagerly bought this sequel. But as I started reading, I found it very disappointing. The "tricks" are far from as good as the ones in the first book. You can hardly call them tricks at all! I got the feeling that after a successful first book, he had to write a second one. And having told all the good tricks in the first book, he had to come up with something to write in this. And what he came up with is not very exciting.

My recommendation is to buy the first book, and not this.
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1 of 1 people found the following review helpful
Excellent Way to Motivate Students Struggling with Math
By FAB on December 29, 2008
Format: Paperback Verified Purchase
I use this with my kids all the time. They are all math lovers and they enjoy figuring out how the tricks "work". However, the biggest hit I've had in doing these in public is with people, adults and children, that somehow have qualified themselves as "non-math people". When I show them the tricks and immediately ask them to do them themselves they light up - they get all excited. This is a must have book for all math teachers and parents. This is a way to keep math fun and relevant. Relevant in the sense that most of the computations are things we need to do daily.
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Go green and save your calculator electricity
By Bernie HALL OF FAMETOP 1000 REVIEWER on June 2, 2013
Format: Paperback
If you master this book, you will realize that these are not tricks. You use this logic all the time but never realize you are doing it. Using this book, you verify what you are doing and maybe we can teach an old... O.K. I mean it is possible to pick u some new skills. There are examples, drills and most important though processes.

The only drawback to this book is that with the advent of cheap prolific calculators, there is no need for archaic fractions in our dismal oriented world.

This may not be the be-all-end-all on the subject but I found it helpful from the grocery store to the IRS.

How to Calculate Quickly: Full Course in Speed Arithmetic
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Not worth the money
By Oleg Gusev on May 29, 2013
Format: Kindle Edition Verified Purchase
I purchased this book to get some useful tricks for everyday life and also to use them for standartized tests.
Well, there are 2 or 3 useful, and the rest is rubbish.

For example, the author gives "different" tricks like:
Trick 1. Multiplying by 6: you multiply by 2 and then by 3
Trick 2. (another one!) Multiplying by 12: you multiply by 2, by 2 and then by 3.

Also, there are very "useful" tricks like "Squaring any number ending in 6" - I wonder who would use that often.

In conclusion, 2 stars for two tricks I liked, and also for funny curiosities with numbers at the beginning of every chapter.
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More Rapid Math: Tricks and Tips: 30 Days to Number Mastery
By fromtexas007 on July 25, 2011
Format: Paperback Verified Purchase
This is a great book, I keep buying it for those I care about. It shows math tricks that are so interesting to learn. It fires the mind of every one that reads it. The real TRICK is getting someone to actually read it, reason I buy and give as gift. Some people need years before the TRICK of reading hits them and next meeting is with my new friend that is math person for the rest of thier life.
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