MAT 0022 - Compressed Developmental Mathematics I MAT 0022 - Compressed Developmental Mathematics I 3 cr. hrs. This eight-week course is designed to prepare you for Compressed Developmental Mathematics II. Major topics include whole numbers, fractions, decimals, percentages, ratios and proportions, geometry, and integers. Online activities, in addition to class, are required. This college preparatory course does not count toward the associate degrees. Course Designations: (PR)