Short-cut Mathematics

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. 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, a step-by-step solution, the short-cut solution, and proof, as well as an explanation of why it works. No special math ability needed.

• | Author: G. W. Kelly
• | Publisher: Dover Publications Inc.
• | Publication Date: Mar 28, 2003
• | Number of Pages:
• | Language:
• | Binding: Paperback / softback
• | ISBN-13: 9780486246116
• | ISBN-10: 0486246116