Describes the method to solve problems called T-E-M-T-T: trial, error, and modified trial through technology. The method integrates students' skills of estimation, mental computation, and appropriate choice of calculator use. Includes 2 activities for each of grades K-4 and 5-8 that illustrate the method. (MDH)

Presents four hands-on and computer-based activities to develop measurement skills. Students examine, measure, compare, and contrast the area, perimeter, and volume of geometric figures using concrete materials and computer spreadsheets. (MDH)