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

4.5 out of 5 stars 46 customer reviews

ISBN-13: 978-0471106395
ISBN-10: 0471106399
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  • Length: 160 pages
  • Word Wise: Enabled
  • Age Level: 10 - 15
  • Grade Level: 5 - 10
Sold by: Amazon Digital Services LLC
Digital List Price: $16.95

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Editorial Reviews

From the Publisher

Demonstrates easy math tricks in an accessible and engaging manner that will appeal to children. In addition to the 50 tricks, the text includes a review of pertinent mathematical concepts, actual applications, math curiosities, illustrations and parlor tricks.

From the Back Cover

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!


Product Details

  • File Size: 7971 KB
  • Print Length: 160 pages
  • Publisher: Jossey-Bass; 1 edition (April 30, 2010)
  • Publication Date: April 30, 2010
  • Sold by: Amazon Digital Services LLC
  • Language: English
  • ASIN: B003H0604A
  • Text-to-Speech: Enabled
  • X-Ray:
  • Word Wise: Enabled
  • Lending: Enabled
  • Enhanced Typesetting: Not Enabled
  • Amazon Best Sellers Rank: #454,299 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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Customer Reviews

Top Customer Reviews

By A Customer on August 12, 1998
Format: Paperback
I plan on using this book to enhance my students mental math abilities. This book is a great way to do the mental math and focus on that higher order thinking. This book is organized well, and is well-suited for classroom use. There were many tricks that I didn't even know existed and everything is still based on basic math. This can work from the slowest to the most advanced learner.
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By A Customer on November 8, 2002
Format: Paperback
My 9 year old had always loved math but this year we moved and neither of us liked the math curriculum the new school used. She began hating math! We began homeschool (there were other problems too) BUT she continued fighting with the math work. I purchased this book and after only 4 lessons she's hooked on math again! She loves the tricks and VOLUNTARILY makes up her own problems to solve! She's already seeing how the "tricks" help her in her "normal" math work.
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Format: Paperback
It is plainly a superb book, I'm amzaed that the mathematical tricks in this books are so useful in everyday life. It liberates one from growing dependency on calculators. It's a treat now to be able to do complex multiplication & division calculations in ones mind. Regular practise of tricks is a must for max benefits.
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Format: Paperback
We got this book from the library to supplement my 5th grade daughter's homeschool math, and I've decided to purchase it. My undergraduate is in Physics, so I've done my share of arithmetic. What is so cool about this book is that it contains every trick I've ever come up with or figured out, plus a whole lot of others that I wish I'd known.

Learning these tricks is so much cooler than using a calculator!
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Format: Paperback
This book is amazing and a must have for every student. It breaks down every mathmatical process in easy and understandable soultions that will leave you saying "Oh yeah I see it now" This was definately a 10 out 0f 10.
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Format: Paperback Verified Purchase
This is, hands down, my favorite of the mental math/quick math tricks books (followed quickly by Secrets of Mental Math by Arthur Benjamin (and if you like that, you should get his course "The Secrets of Mental Math" DVD.)!

Addition trick #21 - "Gliding Across the Ice" - teaches single-digit addition from left to right. I regularly had fifth and sixth graders who swore they couldn't do this begging me within fifteen minutes to give them longer and longer strings of addition to test them! Trick #23 extends the ability with 2-digit numbers, etc.

The first half of the book has methods that seem so obvious when you see them that you wonder why you weren't shown them in school. That's why whenever I get the opportunity, either when teaching, substitute teaching, or tutoring, to show some of these "tricks" to students.

Great for "sponge" activities, also, or for transition times when you need to do something for 5 minutes.
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Format: Paperback Verified Purchase
In Texas, U of Texas sponsors "UIL" which is "University Interscholastic League" -- a competition among public schools in several areas. One of these is "number sense", which is doing quick-thinking arithmetic in your head, or with assitance of a scratch sheet.

This book is the best one for training in that. I , after growing up, first had "Short-Cut Math" which is quite good, but this one does it one batter. I have 3 other books on the same subject, and this is the best of the five, althougn one which is quite cutesy might be a good starter for someone having a lot of trouble and needing some "mneumonic story aids".

This is formula manipulation, which in high school [ and even junior high now ] is called algebra. That't what's behind it all -- so kids that learn this have a leg-up on that field later on.

One other crucial fact for usage in "standardized testing" -- this is great for quickly "ball park estimating" the answers to multiple choice questions, which come up in word problems and chemistry in particular.
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Format: Paperback Verified Purchase
These Math tricks are great! I wish I learned these tricks when I was younger. I feel so smart for multiplying two double digit numbers together without using a calculator.
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