DEVELOPMENT OF MATHEMATICS SKILL EXERCISES ON PYRAMID, CONE, AND SPHERE USING TAI COOPERATIVE LEARNING AND KWDL TECHNIQUE FOR MATHAYOMSUKSA 3 STUDENTS

Abstract

The purposes of this research were to: 1) develop mathematics skill exercises on Pyramid, Cone and Sphere based on TAI cooperative learning and KWDL technique for Mathayomsuksa 3 students to meet the established efficiency criteria at 75/75, 2) investigate the effectiveness index of the developed mathematics skill exercises, 3) compare the students’ learning achievement before and after the intervention, and 4) explore the students’ satisfaction toward learning through the developed mathematics skill exercises. The sample, obtained through cluster random sampling, consisted of 44 Mathayomsuksa 3 students in the second semester of the academic year 2021 at Buakhao School, Kuchinarai District, Kalasin Province. The four research instruments comprised 1) seven sets of mathematics skill exercises, 2) 16 lesson plans on Pyramid, Cone, and Sphere based on TAI cooperative learning and KWDL technique, 3) a 30-item,  4-option multiple-choice achievement test with the discriminative power  (B) ranging from 0.25 to 0.72, and reliability (r_cc) of 0.92, and 4) a 20-item satisfaction test with a 5-level rating scale, with the discriminative power  (r_xy) ranging from 0.42 to 0.76 and reliability () of 0.87. The statistics for data analysis were percentage, mean, standard deviation, and t-test (Dependent Samples).

The findings were as follows: 1) The mathematics skill exercises on Pyramid, Cone, and Sphere based on TAI cooperative learning and KWDL technique of Mathayomsuksa 3 students achieved an efficiency of 85.39/84.40, which was higher than the set criteria of 75/75; 2) The effectiveness index of the developed mathematics skill exercises was 0.7503, with 75.03 percent; 3) The students’ learning achievement after the intervention was higher than that before the intervention at the .01 level of significance; and 4) The students’ satisfaction toward the developed mathematics skill exercises as a whole was at the highest level.