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.

Provides instructions for shortcuts of varying degrees of difficulty for doing arithmetical calculations and estimates, and for checking answers.

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.

Become a mental-math master and astound your friends, family, and teachers with . . . "A fascinating and useful book. I recommend it." —Jaime Escalante (of Stand and Deliver fame) Hiram W. Johnson High School "...will fascinate students of all ages. A resource 'must' for all math programs." —Howard Wang, Founding Director of Sierra Canyon College Preparatory School "The tips and tricks were really cool." —Liz Matthews, age 12, Anacapa Middle School Packed with 50 tricks and tips that let you add, subtract, multiply, and divide in a flash, makes math easier and more fun than you've ever imagined. You won't need a calculator, or in many cases even a pencil, to come up with the correct answers. Just a few simple shortcuts will have you solving basic problems in record time. Will not only amaze you, it will also help you at school and in your daily life. Most of all, you'll have plenty of fun along the way!

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.

Demonstrates the potential for literature in learnersin a variety of mathematical investigations.