Patterns of Infinity is a much easier way of helping a child learn their tables than the rote-learning method currently used. In short, it is a hands-on method to inspire confidence.
Fast Math: Learn the Secrets of Mental Math: By Using Vedic Math and Other Math Tricks to Perform Mental Calculations from Multiplication to Percentages without Calculators
Classroom-Ready Number Talks for Third, Fourth and Fifth Grade Teachers: 1,000 Interactive Math Activities that Promote Conceptual Understanding and Computational Fluency