Fifty Lectures for Mathcounts Competitions (1) (Volume 1)

These lectures are based on the MATHCOUNTS Curriculum.
Each lecture includes (1) Basic skills with examples, and (2) Exercises with answer keys.
Solutions to all practice problems can be found here: http://www.amazon.com/Lectures-Mathcounts-Competitions-Solution-Manual/dp/1490973346
Training class is offered: http://www.mymathcounts.com/Copied-2014-Summer-Mathcounts-Training-Program.php

Jane Chen is the author of the book "The Most Challenging MATHCOUNTS(R) Problems Solved"- 2000-2010 National Mathcounts Solutions" officially published by Mathcounts.org.
Her other publications include:
Twenty Problems Solving Skills for Mathcounts.
Twenty More Problems Solving Skills for Mathcounts.
Eleven Years Mathcounts State Problems Solutions.
50 Lectures for American Math Competitions.