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

"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!