Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math TricksThese 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 lightningquick 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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Review: Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
User Review  Colin  GoodreadsThis was good. I learned some cool ways to do quick math, along with some ways that I can amaze my students. Read full review
Review: Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
User Review  Mars  GoodreadsThe author is enthusiastic, but somehow this enthusiasm doesn't transmit to the reader. The tricks work, but I am incredibly bored by this book regardless. (might have worked better with reallife ... Read full review