The Development of Mathematical Problems Learning by Using Metacognition to Promote Problem Solving Ability in Ratio and Percentage of Grade 7 Students

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Hataigan Ponpunkang

Abstract

This study aimed 1) to develop Mathematical problems Learning by using metacognition in ratio and percentage of Grade 7 students to achieve the criteria 75/75 of the effectiveness, 2) to study the results of implementation Mathematical problems Learning by using metacognition in ratio and percentage of Grade 7 students as follows: 2.1) to investigate the efficacy of Mathematical problems Learning by using metacognition in ratio and percentage of Grade 7 students, 2.2) to compare learning achievement of Grade 7 students who learnt through Mathematical problems Learning by using metacognition with the criteria 75 of percentage, 2.3) to compare problem solving ability of Grade 7 students who learnt through Mathematical problems Learning by using meta- cognition with the criteria 75 of percentage. The sample of the present study was 1 classroom 40 people of Grade 7 students who were selected by cluster random sampling. The instruments used in the study comprised of 1) 3 Mathematical problems Learning by using metacognition 2) 30 items of learning achievement test with 4 multiple choices 3) 5 items of written problem solving ability test. The statistics used in the study consisted of percentage, mean, standard deviation and t-test. The results revealed that 1. Mathematical problems Learning by using metacognition in ratio and percentage of Grade 7 students achieved the criteria 86.85/76.08 of the effectiveness met the criteria of 75/75. 2. The efficacy of Mathematical problems Learning by using metacognition in ratio and percentage of Grade 7 students shown that there was 0.6900 or 69.00 as percentage. 3. Learning achievement of Grade 7 students who learnt through Mathematical problems Learning by using metacognition rated 81.75 as percentage and met the criteria 75 of percentage with .05 statistics significantly. 4. The results of Mathematical problem solving ability of Grade 7 students who learnt through Mathematical problems Learning by using metacognition shown that students performed Mathematical problem solving rated 81.38 as percentage and met the criteria 75 of percentage with .05 statistics significantly.

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Research Article