Ask a friend to pick a random number, add this, subtract that-and presto, astound your friend by guessing the new number! Math riddles, mental math tricks, magic squares, brain teasers, geometry puzzlers, amazing math facts, money math, calculator math, math competitions, and more fill this book of reproducible handouts with challenging, fun math-related problems. Grades 4-6. Answer key. Illustrated.
Maths with the laughs added in! \* Why nothing sometimes means something? \* Can you beat Professor Fiendish's foul formula? \* What can stop a hairy green spot epidemic? Find out in the Essential Arithmetricks - all the tricks, tips and short-cuts they don't teach at school.
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.
Presents step-by-step instructions for performing hundreds of tricks, provides tips on establishing a stage presence, and offers methods and styles of master magicians
Demonstrates a slew of time-saving tips and tricks for performing common math calculations. Contains sample problems for each trick, leading the reader through step-by-step. Features two mid-terms and a final exam to test your progress plus hundreds of exercise problems ranging from simple to more sophisticated. Also includes sections on ``Mathematical Curiosities'' and ``Parlor Tricks'' for math lovers.
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
Is maths making you miserable? Are you scared of squares and perplexed by primes? Do numbers leave you...non-plussed? Then it's time to be utterly amazed, as you're whisked off to infinity and back with Numbers: The Key to the Universe. Find out how you could win a million dollars and become famous for ever (twice), discover the key to the evil Professor's Fiendish Number Chain, and travel to a distant planet for the biggest gig in all eternity. Meanwhile, things get ugly when the gangsters meet the unlucky number 13. Guarantee: This book contains no nasty exercises and no boring sums!