Pre-Algebra Concepts, Mastering Essential Math Skills Spanish Language Version

SPANISH LANGUAGE VERSION. Includes video tutorials. One for each lesson.  THIS IS THE NEW IMPROVED, EXPANDED, 2ND EDITION. IT NOW CONTAINS EXTRA PRACTICE PROBLEMS FOR EACH TOPIC. THESE PROBLEMS WILL ENSURE MASTERY OF ALL TOPICS IN THE BOOK. THERE ARE HUNDREDS OF THIS PROBLEMS.<P>Used by hundreds of thousands of students each year.<P>  Pre-Algebra Concepts includes free online video tutorials. One for each lesson in the book.<P> Lessons are presented in a format that everyone can easily understand.<P>  Each Lesson flows smoothly and logically to the next.<P>  Each lesson is short, concise, and to the point.<P>  Lots of examples with step-by-step solutions.<P>  Each lesson includes valuable Helpful Hints<P>  Review is built into each lesson. Students will retain what they have learned.<P>  Each lesson includes Problem Solving. This ensures that students will learn to apply their knowledge to real-life-situations.<P>  Excellent prep for SAT/PSAT<P>  Topics:<P> Sets<P> Positive and Negative Fractions<P> Positive and Negative Decimals<P> Exponents<P> Square Roots<P> Order of Operations<P> Properties of Numbers<P> Scientific Notation<P> Ratios & Proportions<P> Percents<P> Number Theory<P> Number Lines<P> Coordinate Planes<P> Slope of a Line<P> Graphing Equations<P> Solving Algebraic Equations<P> Algebraic Word Problems<P> Probability<P> Statistics<P>  Includes Solutions, A Glossary, and a Resource Center