Short-cut Mathematics (Dover Books on Mathematics)

Book Details

• Title: Short-Cut Math

• Author: G.W. Kelly

• Brand: Dover

• Binding: Paperback

• Number of Pages: 112

• Release Date: 01-10-1984

• EAN: 9780486246116
  

• Package Dimensions: 8.4 x 5.5 x 0.4 inches

• Languages: English

Summary:
Short-Cut Math is a concise guide to quick and efficient math shortcuts that allow you to perform basic calculations faster and more easily. The book offers about 150 techniques to simplify arithmetic, making it perfect for anyone who struggles with numbers or wants to improve their math speed.

Key Features:

• Math Shortcuts: Provides timesaving tricks for addition, subtraction, multiplication, and division.

• Techniques Covered: Includes methods such as adding by 10 groups, no-carry addition, subtraction without borrowing, and multiplying by aliquot parts.

• Practical Application: Simplifies fraction operations, divisibility tests, and working with mixed numbers.

• Accessible Methods: Requires no special math ability—perfect for students, teachers, and professionals who want to improve their arithmetical agility.

• Step-by-Step Guidance: Every technique includes a clear explanation, a solution, and a proof for why the method works.

Ideal for anyone looking to enhance their speed and ease with numbers, this book offers simple solutions to everyday arithmetic problems.