The proposes of this study were develop the students’ mathematics problem solving ability in order to pass the criteria of 70 percent of full score. The target group were 21 grade 11 students in academic year 2017 from Sarakhampittayakhom School, Muang, Mahasarakham. The research methodology used was classroom action research which consists of four cycles. The research instruments were: 1) 11 lesson plans of the problem solving model of metacognitive process, 2) Mathematics problem solving ability test 3) an interview form. The data was analyzed by using mean, percentage, and standard deviation.The results were as follows.The students’ mathematics problem solving ability mean scores in the first, the second, the third and the fourth cycle were 55.23, 60.47, 71.76 and 78.89 percent respectively.The results showed that the students’ mean score passed the criteria in the third cycle.
Wilawan Chantowat, Mahasarakham University, Thailand
Montri Thongmoon, Mahasarakham University, Thailand
Stream: Education for sustainable development
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