The Trachtenberg Speed System of Basic Mathematics

by Bloomsbury Academic

Overview

The complete system of the Trachtenberg method of mathematics which makes possible high-speed arithmetical calculations with a remarkable degree of accuracy.

This method is not only speedy but simple. Once one has mastered the rules, lightning calculation is as easy as reading a story. It looks like magic, but the rules are based on sound logic.

Product Details

ISBN-13:	9780313232008
Publisher:	Bloomsbury Academic
Publication date:	02/04/1982
Edition description:	REPRINT
Pages:	272
Sales rank:	697,137
Product dimensions:	5.50(w) x 8.50(h) x 0.62(d)

Table of Contents

Tables or No Tables? Basic Multiplication
Rapid Multiplication by the Direct Method
Speed Multiplication — "Two-Finger" Method
Addition and the Right Answer
Division — Speed and Accuracy
Squares and Square Roots
Algebraic Description of the Method