The Pre-Algebra Tutor DVD series teaches the fundamentals of pre-algebra through step-by-step example problems that progress in difficulty. Emphasis is placed on giving students confidence in their skills by gradual repetition so that the skills learned are committed to long term memory. This program teaches students how to identify and classify the different types of real numbers and how to use the number line. Students learn what the number line is, how to plot points on the number line and the concept of showing that larger numbers lie farther to the right on the number line. Grades 9-College. 26 minutes on DVD.