Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a Calculator
Description
"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!
Technical Specifications
Shipping & Delivery
Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.
Returns & Exchanges
We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.