The teaching guide, part of a series of four, consists of learning experiences for use at the grade 1 level in mathematics. It focuses on the basic concepts of measurement and developing measurement skills in the early grades. It progresses to the concept of measurement by comparison and to developing basic volume measurement skills . Students examine the use of these skills in the work world. The topics covered include measuring time, measuring weight, measuring money, measuring length, measuring liquid volume, and measuring temperature. Each set of learning experiences contains a student objective, set overview, resource list, teacher-preparation tasks, learning activities, and suggestions for evaluation-summary activities. Activity-coordinated resource materials include posters, worksheets, and resource sheets. (Author/AJ)