These lectures are based on the MATHCOUNTS Curriculum. Each lecture includes (1) Basic skills with examples, and (2) Practice problems with answer keys. All the solutions for the practice problems can be found in the solution manual: http://www.amazon.com/Lectures-Mathcounts-Competitions-Solution-Manual/dp/1530805708 Training class is offered: http://www.mymathcounts.com/Copied-2014-Summer-Mathcounts-Training-Program.php