About the Author
Mark Zegarelli is the author of Calculus II For Dummies (Wiley), Basic Math and Pre-Algebra For Dummies (Wiley), SAT Math For Dummies (Wiley), and eight other books in the For Dummies series. He holds degrees in both English and math from Rutgers University. Most recently, he provides online lessons for kids as young as 4 years old, showing them easy ways to understand — and enjoy! — square numbers and square roots, factors, prime numbers, fractions, and even basic algebra concepts.
Dedication
这本书给光光, 我永远的朋友。
Author’s Acknowledgments
Many thanks for the editorial guidance and wisdom of Vicki Adang, Saikarthick Kumarasamy, Lindsay Lefevere, Paul Levesque, Kristie Pyles, Scott Rosenstein, Ana Teodorescu, and Marylouise Wiack.
Thanks also to my current students: Aaron, Brave, David, Gage, Greg, Iva, Jacob, Judah, Kevin, Leon, Maurice, Nevena, Nico, Orion, Ryal, Ryoma, Samantha, and Skylar. I have learned so much from each and every one of you!
Publisher’s Acknowledgments
Acquisitions Editor: Lindsay Lefevere
Senior Project Editor: Paul Levesque
Copy Editor: Marylouise Wiack
Tech Editor: Ana Teodorescu
Production Editor: Saikarthick Kumarasamy
Cover Image: © oxygen/Getty Images
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