Fakhruddin, 07118830012. Increasing Problem Solving Ability and Communication Mathematics Through Problem Based Learning with Co-operative Approach. Thesis Mathematics Education Graduate Program, State University of Medan. 2010.
Research objectives are: (1) To know the difference between problem-solving abilities of students with problem-based learning approach STAD cooperative type of learning compared with conventional (regular) review of the whole student. (2) To know the difference between problem-solving abilities of students with problem-based learning approach STAD cooperative type of learning compared with conventional (regular) if it is based on the accreditation of the school (very good, good, enough). (3) To determine differences in communication skills between students who are learning math problem based approach STAD cooperative type of learning compared with conventional (regular) review of the whole student. (4) To determine differences in communication skills between students who are learning math problem based approach STAD cooperative type of learning compared with conventional (regular) if it is based on the accreditation of the school (very good, good, enough). (5) a comprehensive review of the performance and the pattern of answers that the students make in solving contextual problems in each approach.
Of the study was eksprimen. The subject of this research is in the County Junior High School students shavings, class VII is based on the level of accreditation the school is very good, good enough for school accreditation and a very good first elected to junior Range N, both junior high school accreditation N 3 Island Folk and junior high schools akteditasi enough N 2 Aek Kuasan in Academic Year 2009/2010, with the number of students from the junior class eksprimen N 1 Range 38 people 38 people controlling class, students from junior high school class of N 3 eksprimen Island People 38 people 39 people control classes, students from the junior class eksprimen N 2 Aek Kuasan 48 people 40 people classroom control. The object of this research is problem based learning through cooperative approaches on the material type STAD comparison. The research data obtained from initial test and final test of problem-solving ability and communication skills of mathematics, the observation of teachers and students, the diversity and the pattern of answers given by students.
In this study, the average gain is the ability to problem-solving approach STAD cooperative type of accreditation is very good at the level higher than usual learning is 0.40483 and 0.31768, both at the level of accreditation is higher than usual learning is 0.29405 and 0.26149, at the level of accreditation is higher than usual learning is 0.23770 and 0.22013.Similarly, the results of a study of overall students that problem solving ability of learning koopertif STAD type of learning is better than usual. The mean gain of mathematics communication with type STAD cooperative approaches at very good levels of accreditation is higher than usual learning is 0.43077 and 0.34297, both at the level of accreditation is higher than usual learning is 0.36728 and 0.28999, at the level of accreditation quite higher than usual learning is 0.33299 and 0.21622. Similarly, the results of a study of the overall student that learning communication skills in mathematics from STAD koopertif type of learning is better than usual. Likewise, the performance and the pattern of answers given by students in solving math problems and there are also differences in communication Based on the description above, this study suggests. (1) Study by using problem-based learning through cooperative approaches can be utilized to determine peguasaan student teachers to the concepts being studied in order to do enrichment action. (2) Study by using problem-based learning through cooperative approach is potentially applicable in the learning of mathematics in an effort to improve the quality of mathematics education at basic education level. (3) Teachers should create a learning atmosphere which give more opportunities for students to express ideas in mathematics problem solving and communication in their own way so that in their mathematics learning more boldly argues, are more confident, creative. Teachers can learn from the diverse representation provided students in developing and expanding their knowledge. (4) problem-based learning is still not known teachers and students as a whole, therefore we need to be socialized by institutions like the District Education Office or Province in hopes of improving students' abilities in mathematical problem solving and communication that will ultimately improve student learning outcomes. (5) For all parties interested in education as, hopefully this research can make a positive contribution to the realm of education, as well as one of the benefits refrensi in an effort to improve the quality learning outcomes students. (6) For all those who become researchers, it is suggested to be able to further develop this research through relevant research such as the ability of students to connect mathematics problem-based learning. (7) The population in this study is limited to students of junior secondary school level it is necessary to do research on higher levels of schooling to see the impact of problem based learning through cooperative learning type STAD.
Of the study was eksprimen. The subject of this research is in the County Junior High School students shavings, class VII is based on the level of accreditation the school is very good, good enough for school accreditation and a very good first elected to junior Range N, both junior high school accreditation N 3 Island Folk and junior high schools akteditasi enough N 2 Aek Kuasan in Academic Year 2009/2010, with the number of students from the junior class eksprimen N 1 Range 38 people 38 people controlling class, students from junior high school class of N 3 eksprimen Island People 38 people 39 people control classes, students from the junior class eksprimen N 2 Aek Kuasan 48 people 40 people classroom control. The object of this research is problem based learning through cooperative approaches on the material type STAD comparison. The research data obtained from initial test and final test of problem-solving ability and communication skills of mathematics, the observation of teachers and students, the diversity and the pattern of answers given by students.
In this study, the average gain is the ability to problem-solving approach STAD cooperative type of accreditation is very good at the level higher than usual learning is 0.40483 and 0.31768, both at the level of accreditation is higher than usual learning is 0.29405 and 0.26149, at the level of accreditation is higher than usual learning is 0.23770 and 0.22013.Similarly, the results of a study of overall students that problem solving ability of learning koopertif STAD type of learning is better than usual. The mean gain of mathematics communication with type STAD cooperative approaches at very good levels of accreditation is higher than usual learning is 0.43077 and 0.34297, both at the level of accreditation is higher than usual learning is 0.36728 and 0.28999, at the level of accreditation quite higher than usual learning is 0.33299 and 0.21622. Similarly, the results of a study of the overall student that learning communication skills in mathematics from STAD koopertif type of learning is better than usual. Likewise, the performance and the pattern of answers given by students in solving math problems and there are also differences in communication Based on the description above, this study suggests. (1) Study by using problem-based learning through cooperative approaches can be utilized to determine peguasaan student teachers to the concepts being studied in order to do enrichment action. (2) Study by using problem-based learning through cooperative approach is potentially applicable in the learning of mathematics in an effort to improve the quality of mathematics education at basic education level. (3) Teachers should create a learning atmosphere which give more opportunities for students to express ideas in mathematics problem solving and communication in their own way so that in their mathematics learning more boldly argues, are more confident, creative. Teachers can learn from the diverse representation provided students in developing and expanding their knowledge. (4) problem-based learning is still not known teachers and students as a whole, therefore we need to be socialized by institutions like the District Education Office or Province in hopes of improving students' abilities in mathematical problem solving and communication that will ultimately improve student learning outcomes. (5) For all parties interested in education as, hopefully this research can make a positive contribution to the realm of education, as well as one of the benefits refrensi in an effort to improve the quality learning outcomes students. (6) For all those who become researchers, it is suggested to be able to further develop this research through relevant research such as the ability of students to connect mathematics problem-based learning. (7) The population in this study is limited to students of junior secondary school level it is necessary to do research on higher levels of schooling to see the impact of problem based learning through cooperative learning type STAD.
Keywords: Problem Solving Ability, Communication in Mathematics and Problem Based Learning.
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