Amazingly useful math tools | Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation...

Excellent book | Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks | Arthur Benjamin, Michael Shermer

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	• Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks Arthur Benjamin, Michael Shermer Three Rivers Press, 2006 - 304 pages average customer review:based on 17 reviews view larger image
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highly recommended

Great for any age and skill level

I recently purchased this book after a stranger in a bookstore suggested it. I'm already impressed. There are quite a few 'speed math' books out there, but this one is easily accessible to everyone and is intended to help with everyday life. I'm fairly advanced in college-level math and I intuitively knew some of the suggestions in the book, but it has helped me brush up, learn new things, and most of all learn how to do it BETTER.

I highly recommend this book to students because it is a tremendous help to know how to perform quick math in your head. Even if you have a calculator, just knowing what to expect for the outcome helps you perform faster and serves as a double-check when you need it. And knowing how to do math quickly is essential on a standardized test like the SAT. Even if you know how to do all the problems correctly, the time limit can cripple you--so do yourself a favor and get this book.

Some of the topics covered in this book include 'basic' to 'advanced' multiplication, mental division, guesstimation, calculating the day of the week, and memorizing numbers through mnemonics.

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Amazingly useful math tools

It's fascinating to learn ways to easily and quickly get answers to spur-of-the-moment mathematical calculations without the need for pencil and paper. Besides a I-wonder-why-this-wasn't-taught-in-school reverse technique for mentally, quickly and easily adding, subtracting and multiplying, it's especially neat to be able to determine the day of the week for any calendar date in any century! The author shows how and makes it simple. The techniques work better for those who know well their multiplication tables and their sums. If one doesn't, getting answers is doable but takes longer.

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Excellent book

I am not a big fan of math but I thought I give it a try. Since I have the book, I am practicing on frequent bases and the tricks really work. Beside many hours of calculation practice the book also provides some nice stories about different lightning calculators.

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Secrets of Mental Math

This is a great book with lots of helpful hints at how to do mental math. My daughter wanted the book, and she is learning the material quickly.

Wow!

This book is great! This book teaches you tricks that really work and really makes you wonder how people came up with them.

One thing I wanted to reccommend - Although this book is for mental math, going through it, I always kept a pencil and paper by my side - some of the concepts/tricks were a little abstract to simply read and absorb the first time around, so they needed a couple of examples (on paper) to solidify the 'trick' for me. After I worked out a couple of problems on pen and paper, I was able to grasp the ability to do them mentally.

One of the best things this book teaches is guesstimation and more importantly, how to forumulate your 'guesses' so you are not so far off from target. I had been doing guesstimation for ages but the methods mentioned in the book were pretty good guidelines for my future guesses.

This book is a must have for anyone that is afraid of numbers because these simple tricks will make difficult math problems a little easier to deal with. The time saving techniques this book is filled with can shave seconds off of your problem solving skills which, come test time (math test, SAT, any test which involves math), you'll be thinking about this book and thanking the author.

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These simple math secrets and tricks will forever change how you look at the world of numbers.

Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends?and yourself?with incredible calculations you never thought you could master, as renowned ?mathemagician? Arthur Benjamin shares his techniques for lightning-quick calculations and amazing number tricks. This book will teach you to do math in your head faster than you ever thought possible, dramatically improve your memory for numbers, and?maybe for the first time?make mathematics fun.

Yes, even you can learn to do seemingly complex equations in your head; all you need to learn are a few tricks. You?ll be able to quickly multiply and divide triple digits, compute with fractions, and determine squares, cubes, and roots without blinking an eye. No matter what your age or current math ability, Secrets of Mental Math will allow you to perform fantastic feats of the mind effortlessly. This is the math they never taught you in school.

Also available as an eBook

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