This commentary is designed for use with "Unified Modern Mathematics, Course I," Parts 1 and 2. Included in the commentary are statements of the specific purposes and goals of each section of every chapter, suggestions for teaching the concepts presented in each section, time estimates for each section, suggested instructional aids for presenting various concepts, and references for further study. Also, suggested chapter examinations are provided which constitute comprehensive tests for each chapter. [Not available in hardcopy due to marginal legibility of original document.] (FL)