THE EFFECT OF LEARNING MANAGEMENT BY USING OPEN APPROACH WITH SSCS MODEL ON MATHEMATICAL PROBLEM SOLVING ABILITY AND LEARNING ACHIEVEMENT OF FIFTH GRADE STUDENTS
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Abstract
The purpose of this research were to compare the students' mathematical problem-solving ability and mathematics learning achievement with 70 percent criterion of fifth grade students after obtaining organizing mathematics learning activities by using open-approach with SSCS model. . The sample of this study was 28 students in fifth grade in the second semeter of the 2020 academic year at Piboonbumpen demonstration school Burapha university. They were randomly selected by using cluster random sampling. The instrument were 6 lesson plans, a matehmatical problem-solving ability test (with the reliability of .89) ,and The mathematics achievement test of inequality (with the reliability of .80). the data were analyzed by arithmetic mean, standard deviation, and t-test for one sample.The results showed that 1) The mathematical problem-solving ability of the sample group after obtaining organizing mathematics learning activities by using open approach and SSCS model was higher than 70 percent criterion at .05 level of statistical significance. 2) The mathematical learning achievement of the sample group after obtaining organizing mathematics learning activities by using open approach and SSCS model was higher than 70 percent criterion at .05 level of statistical significance.
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