Super-Recursive Algorithms

The Trachtenberg Speed System of Basic Mathematics

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

Non-diophantine Arithmetics In Mathematics, Physics And Psychology

Short-Cut Math

Quicker Approach to Quantitative Aptitude: Personal Notes of Sizil Krishna

Advanced Abacus: Theory and Practice

Basic Math & Pre-Algebra For Dummies: Edition 2

Math Practice, Grade 3

Finding Zero: A Mathematician's Odyssey to Uncover the Origins of Numbers

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

How to Calculate Quickly: Full Course in Speed Arithmetic

Speedy Calculations

Practice Makes Perfect Multiplication and Division

Arithmetic Refresher

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

Math Practice, Grade 2