Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator

Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator

<b>Become a mental-math master and astound your friends, family, and teachers with . . .</b> <p>"A fascinating and useful book. I recommend it."<br />—<b>Jaime Escalante</b> (of Stand and Deliver fame) Hiram W. Johnson High School</p> <p>"...will fascinate students of all ages. A resource 'must' for all math programs."<br />—<b>Howard Wang</b>, Founding Director of Sierra Canyon College Preparatory School</p> <p>"The tips and tricks were really cool."<br />—<b>Liz Matthews</b>, age 12, Anacapa Middle School</p> <p>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.</p> <p>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!</p>