Mental Math

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.

Did you know that it's easier to add and subtract from left to right, rather than the other way round? And that you can be taught to square a three-digit number in seconds? In Think Like A Maths Genius, two mathematicians offer tips and tricks for doing tricky maths the easy way. With their help, you can learn how to perform lightning calculations in your head, discover methods of incredible memorisation and other feats of mental agility. Learn maths secrets for the real world, from adding up your shopping and calculating a restaurant tip, to figuring out gambling odds (or how much you've won) and how to solve sudoku faster.

No author has gone as far as Doerfler in covering methods of mental calculation beyond simple arithmetic. Even if you have no interest in competing with computers you'll learn a great deal about number theory and the art of efficient computer programming. —Martin Gardner

Learn Tricks And Strategies To Solve Everyday Math Problems Easily Will you pay more a $19.99 shirt with a 20% discount or a $24.99 shirt with a 30% discount? Can you quickly calculate how many eggs you'll need to make 100 pancakes, if your recipe says that 2 eggs make 20 pancakes? Can you reckon how much will a $30/month gym membership cost over the course of 24 months without writing anything or pulling out a calculator? The truth is, most of the math you find yourself doing on a day to day basis it's usually done in your head, that's why improving your mental math skills is always useful. If you've grown up hating math, that's probably because you've been taught with the wrong approach. Math isn't just boring formulas and pointless calculations, it can actually be a really useful skill. It can help you calculate a discount on the fly, easily multiply big numbers or quickly figure out how much dough packs you'll need to make 50 cookies if one pack will be enough for 20. In this book you'll find many tricks and practical strategies to improve your math skills, learn how to make calculations faster and solve everyday math problems more easily. And don't worry... This isn't your average and boring book on math theory. You'll find helpful, to-the-point tips and tricks that will actually help you speed up and simplify the calculations you do in your everyday life. Here are some practical tricks you'll learn: How To Quickly Multiply Any Number By 3, 4, 5, 6, 9 And 10. Practical Math Strategies That Will Help You Solve Everyday Math Problems More Easily How To Use The Plugging In Numbers (PIN) Technique To Make Calculations Without Any Calculator The Right Way To Calculate Discounts On The Fly And Save More While Shopping Tips And Tricks To Add And Subtract Fractions Faster What Is Trigonometry And How It Can Be Helpful In Physics, Marine Biology, Criminology And Surveying How To Quickly Determine Mean, Median And Standard Deviation In Everyday Life A Complete List Of Conversion Factors To Easily Switch Between Different Units How To Mentally Determine Your Mortgage And Down Payment Amount And Much, Much More Solve Everyday Math Problems More Easily Scroll to the top and select BUY!

Written by two of the world's foremost authorities on mental calculation, The Mental Calculator's Handbook is essential reading for aspiring calculating prodigies. From multiplying fractions to extracting square roots, all the techniques are presented and explained in a clear and rigorous way.

An experienced math teacher shares the 250 10-minute quizzes he developed that helped boost his students' mental math skills and their scores on standardized tests. Topics covered include addition, subtration, multiplication, division, numeration, patterns, percents, ratio, rounding, prime numbers, geometry and much more. Includes ready-to-use, reproducible answer sheets. Geared to the NCTM standards. For use with Grades 4-8.

Discover the Mental Math Secrets to Become a Human Calculator! Schools taught you a way to do math that works when you have a pen & paper. But the same methods, takes a lot of effort when you have to do math in your head. This is because it uses a lot of your working memory (the short term memory used to complete a mental task). For example, try to mentally multiply 73,201 x 3. It might take only a few seconds to multiply the individual digits. But if you multiply right to left the way you learnt in school, you will rely on your working memory. You will use it to recall every single digit you calculate to put it back together and get your final answer. You may even find yourself calculating some digits again because you forgot one of the numbers. The difficulty increases further when you have to multiply larger numbers like 732 x 323. You will have to remember numbers across many steps. Mental arithmetic would be a lot easier to do in your head if you didn’t have to remember so many numbers. In school, you learnt to write the down numbers as you calculate to free up your working memory. In mental math, there are many other ways to do the same thing. One of the tricks to free up your working memory is to calculate from left to right instead of right to left. Try multiplying 73,201 x 3 from left to right, starting from 7 x 3 and ending with 1 x 3. You will find yourself calling out the answer before you even finish the whole problem. You can use this trick to solve any math problem in the future. But we have just scratched the surface. There are many more tricks inside the book that make doing mental math as easy as reading a comic. Here is a glimpse of what you will be able to master: • Mentally add large numbers(Example: Add 8739 + 5492 in your head in seconds) • Subtract numbers fast. (Example: Mentally subtract 7520 - 4998 without writing anything down) • Multiplication tricks to multiply three-digit numbers. (Example: Multiply 323 x 123 in your head) • Square large numbers in seconds (Example: Calculate 64 x 64 faster than a calculator) • Mentally divide large numbers (Example: Divide 601324 by 73 entirely in your head) • Quickly check a calculation with 90% accuracy without re-calculating • Overcome math anxiety • Cement your mental math skills with bonus weekly training. This book only has the best techniques used by over 27 mental and Vedic math experts across the world. The techniques in this book are so simple you will wonder why nobody taught you this before. You will be able to master it, even if you have failed math in school. Imagine waking up tomorrow being able to do lightning fast math in your head. Your family & friends will look at you like you are some kind of a genius. Since you do the calculations in your head, you will acquire better mental habits in the process. So you will not just look like a genius. You will actually be one. Buy Now To Become A Human Calculator Every minute you wait to buy this book, is another minute you don't see the benefit of being good with math & numbers. Put the power of mental math to work in your life so you can quickly & easily: • make math and numbers more useful • develop better memory habits • increase concentration • develop new ways to think • and do speed math entirely in your head faster than a calculator! Get your copy today! A MUST BUY for students of Vedic Mathematics, GMAT, GRE, SAT, Case Study Interview and Case Interview.

50 lessons and answer key to practice mental math.