How to Calculate Quickly: Full Course in Speed Arithmetic

Arithmetic Refresher

Doing Simple Math in Your Head

Head First Algebra: A Learner's Guide to Algebra I

The Trachtenberg Speed System of Basic Mathematics

Short-Cut Math

Math Practice, Grade 3

The Magic of Math: Solving for x and Figuring Out Why

Think Like A Maths Genius: The Art of Calculating in Your Head

Calculus Made Easy: Being a Very-Simplest Introduction to Those Beautiful Methods of Reckoning Which are Generally Called by the Terrifying Names of the Differential Calculus and the Integral Calculus

Speed Mathematics: Edition 3

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks

Basic Math & Pre-Algebra For Dummies: Edition 2

Cracking The Mental Math Code: A Repertoire Of Number Sense Techniques

Quicker Approach to Quantitative Aptitude: Personal Notes of Sizil Krishna

Algebra: A Complete Introduction: The Easy Way to Learn Algebra

What Is Mathematics, Really?

Teach Your Children Tables: Edition 2