Rigorous questions in discussion learning method plays a dominant role in the successful delivery of lessons for slow learners at higher education. This study aims to propose a framework to achieve good critical thinking for slow learners through Rigorous Mathematics computational Thinking (RMcT) model. This study used qualitative approach to describe slow learner’s critical thinking by using RMcT model. The instruments used in this study were test instrument, critical thinking questionnaire, and interview guideline as supporting instrument to describe slow learner’s critical thinking through RMcT model. The subjects were college students in mathematics modelling course in mathematics education department. Based on critical thinking test results, slow learners could divide variable used in mathematics modelling. Based on questionnaire results, slow learner students build their own understanding and solve the problem based on their experience while answering the given question during learning process. In addition, the interview they feel that the instructor can mediated the problem by giving analogy to the other material. In summary, RMcT could mediate slow learner’s critical thinking as its characteristics (by using Rigorous questions). Findings are useful for designers, service providers and policy makers of special needs higher school when implementing teaching strategy to mediated real-life problems into mathematics modelling for slow learners.
This research investigated the improvement of students’ participation and vocabulary achievement by using crossword puzzles in the classroom. The research design was Classroom Action Research (CAR) conducted in two cycles. The research subjects were the seventh-grade students and the research area was at a private Islamic Junior High School in Kendari. The data were collected by using observation and vocabulary achievement tests. The collected data were analyzed statistically by using a percentage formula. The students’ activity improved from 78,66% in cycle 1 to 97,66% in cycle 2. Meanwhile, the students’ vocabulary mastery improved from 54% in cycle 1 to 90% in cycle 2. In conclusion, using crossword puzzles improved the students’ vocabulary achievement and students' participation in the teaching and learning English.
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