This new, revised edition of the bestselling Speed Mathematics features new chapters on memorising numbers and general information, calculating statistics and c

Learn how to easily do quick mental math calculations Speed Math for Kids is your guide to becoming a math genius--even if you have struggled with math in the p

Ever find yourself struggling to check a bill or tax on a payslip? The Trachtenberg Speed System provides a course in refining basic mathematics skills to tackl

Entertaining, easy-to-follow suggestions for developing greater speed and accuracy in doing mathematical calculations. Surefire methods for multiplying without

Proven strategies to help kids learn faster and better, from bestselling author Bill Handley Kids who succeed at school aren't necessarily smarter than other ki