Initially developed for a summer school program, Preview/Review was developed to cover the 15 most important concepts in each course. Each course comprises of 15 lessons, each intended to be 90 minutes in length. The resources for Preview/Review Math are self contained in that no additional textbook is required. The Preview/Review series is geared to helping students catch-up or work ahead on concepts in Math, Language Arts, Social Studies, and Science. Each booklet, available for Grades 4 to 9, has 15 lessons covering the most important areas or concepts of the Alberta curriculum. Each lesson contains instructions, explanations, and examples and can be completed in about 90 minutes. Quizzes are included. Teacher Key versions contain answer keys. All materials were developed by the certificated teachers at ADLC.