<![CDATA[Abstract. A research on the application of learning models Creative Problem Solving in the material buffer solution which aims to improve (1) the activities of teachers, (2) the activity of students, (3) the ability to think creatively, (4) learning outcomes, and (5) students' response to learning. The study design was a classroom action research (CAR) with two cycles consist of planning, action, observation and reflection. The subjects were students of class XI IPA 3 SMA Negeri 5 Banjarmasin with the number 36. Data were collected through observation, testing the ability of creative thinking and cognitive achievement test. Data were analyzed by using descriptive analysis of quantitative and qualitative. The results showed that (1) the activities of teachers has increased score of 12.33 (very good), (2) the activity of students has increased score of 17.33 (very active), (3) the ability of creative thinking of students for each indicator: ( a) fluency increased by 39.06%, (b) originality increased by 39.46%, (c) flexibility increased by 23.79%, (d) elaboration increased by 36.46% (4) the cognitive learning students classical increased by 25%, affective learning outcomes of students increased by 23.68% (excellent), and psychomotor learning outcomes of students increased by 16.3% (highly skilled), and (5) student of class XI IPA 3 SMA Negeri 5 Banjarmasin responded positively to the learning model of learning by using Creative Problem Solving.Keywords: creative thinking ability, learning outcomes, creative problem solving]]>
