Master common math problems without a calculator! Award-winning math teacher Ed Julius covers more than 60 powerful math tips and techniques in his entertaining 30-day program. For example, multiply any two-digit number by 11 simply by splitting apart the two digits, adding them, and placing the sum in the middle (45 x 11 = 495 because 4 + 5 = 9).

Demonstrates a slew of time-saving tips and tricks for performing common math calculations. Contains sample problems for each trick, leading the reader through step-by-step. Features two mid-terms and a final exam to test your progress plus hundreds of exercise problems ranging from simple to more sophisticated. Also includes sections on Mathematical Curiosities'' and Parlor Tricks'' for math lovers.