Abstract:
Purpose The purpose of this research was to compare the achievement of basic concepts in mathematics instruction by using instructional media package and by lectures to prathom two students. Procedures Three topics for the experiment were selected by researcher : measurement, fraction and geometrical patterns. The research instruments included the following : 1. Three tests constructed by the researcher, with 20 questions each. The tests were examined by experts and were tried out with 73 students in Phayatai School. On the topic of measurement, the level of difficulties was between 0.39 0.75 with a discrimination power of 0.27 0.69 and a reliability coefficient was 0.84. For the fraction topic, the figures were 0.28 0.79, 0.28 0.58 and 0.77 and for geometry, the figures were 0.33 0.80, 0.25 0.50 and 0.82 respectively. 2. Three sets of instructional media packages which were examined by experts and were tried out before the implementation. Each of them consisted of materials, objects, pictures, demonstration, experimentation, games and other activities. 3. Lesson plans for using instructional media pages and for lectures. The tests were administered to two groups of prathom two students of Bhibul Uppatham School, - 30 students each, in the Office of Bangkok Primary Education, Ministry of Education. The t-test was used for analyzing the data. Results There were significant differences in studying basic concepts in mathematics between the experimental group instructed by instructional media packages and the control group instructed by lectures at the .01 level. The experimental group was found to have more solving ability than the other one.