Mental Arithmetic Books
Books con argomento Mental Arithmetic
Secrets of Mental Math
edizioni Three Rivers Pr collana Three Rivers Pr (Paperback)
These simple math secrets and tricks will forever change how you look at the world of numbers.Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends—and yourself—with incredible calculations you never thought you could master, as renowned “mathemagician” Arthur...
Speed Math for Kids
edizioni John Wiley & Sons Inc collana John Wiley & Sons Inc (Paperback) , 2007
Learn how to easily do quick mental math calculationsSpeed Math for Kids is your guide to becoming a math genius--even if you have struggled with math in the past. Believe it or not, you have the ability to perform lightning quick calculations that will astonish your friends, family, and teachers. You'll be able to...
Doing Simple Math in Your Head
Howard W. J.
edizioni Independent Pub Group collana Independent Pub Group (Paperback)
Almost all adults suffer a little math anxiety, especially when it comes to everyday problems they think they should be able to figure out in their heads. Want to figure the six percent sales tax on a $34.50 item? A 15 percent tip for a $13.75 check? The carpeting needed for a 12½-by-17-foot room? No one learns how...