Download or read book Short-Cut Math written by Gerard W. Kelly and published by Courier Corporation. This book was released on 2014-11-18 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clear, concise compendium of about 150 time-saving math short-cuts features faster, easier ways to add, subtract, multiply, and divide. Each problem includes an explanation of the method. No special math ability needed.