The purpose of this study was to determine the effect of problem-based learning models towards the mathematics learning outcomes of 6th-grade students of an Elementary School accredited B in Kendari City. This study is quantitative experimental research. The population in this were all 6th-grade students of an Elementary School accredited B in Kendari City. The technique of determining the sample was done by cluster random sampling. Data analysis used is descriptive statistics and inferential statistics where the hypothesis test used is the t-test. The results showed the effect of problem-based learning models better than direct instruction and problem-based learning model positive effect on mathematics learning outcomes of 6th-grade students of an Elementary School Accredited B in Kendari City.

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This study aimed to: (1) describe the effectiveness of the Scientific learning approach setting cooperative STAD Types in mathematics learning at students of class VII SMP Negeri of A-Accreditation in Makassar; (2) describe the effectiveness of ELPSA learning approach setting cooperative STAD type in mathematics learning at students of class VII SMP Negeri of A-Accreditation in Makassar; (3) describe the effectiveness of Open-Ended learning approach setting cooperative STAD type in mathematics learning at students of class VII SMP Negeri of A-Accreditation in Makassar; (4) describe comparative effectiveness of Scientific learning approach, ELPSA and Open-Ended Setting Cooperative STAD Types of Mathematics Learning at Students of class VII SMP Negeri of A-Accreditation in Makassar. The population in this research were all of students at class VII SMP Negeri of A-Accreditation in Makassar and the sample consisted that selected by using a cluster stratified random sampling technique. The result of t test on the level of significant α = 0.025 at the major hypothesis (1) the implementation of the Scientific approach is effective (2) the implementation of the ELPSA approach is effective, (3) the implementation of the Open-Ended approach is effective, and the result of anova test on the level of significant α = 0.05 at the major (4) to (a) learning outcomes (posttest, gain) (b) interest in learning (c) response, the result of equality two proportions test there is no differences implementation in Scientific approach application, ELPSA and Open-Ended Setting Cooperative STAD Types in mathematics learning at students of class VII SMP Negeri of A-Accreditation in Makassar. Keywords: Comparison, Scientific Aprroach; ELPSA Approach; Open-Ended setting cooperative and effectiveness PENDAHULUANMatematika merupakan pengetahuan yang sangat penting dalam kehidupan manusia. Disadari atau tidak, dalam kehidupan sehari-hari setiap individu sering menggunakan matematika dalam menjalankan aktifitasnya. Dalam kaitannya pembelajaran matematika disekolah, ada persepsi umum yang sudah berakar dalam dunia pendidikan yang juga sudah menjadi harapan masyarakat. Persepsi umum ini menganggap bahwa sudah merupakan tugas guru untuk mengajar dan menyodori siswa dengan muatan muatan informasi dan pengetahuan perkembangan ilmu pengetahuan dan teknologi memungkinkan semua pihak dapat memperoleh informasi yang cepat dan mudah dari berbagai sumber. Dengan demikian siswa perlu memiliki kemampuan memperoleh, memilih, dan mengelola informasi untuk bertahan pada keadaan

AbstrakPenelitian ini adalah penelitian deskriptif dengan pendekatan kualitatif yang difokuskan untuk mendeskripsikan kemampuan komunikasi matematika siswa. Subjek penelitian meliputi enam siswa dari kelas VIII SMP Negeri 10 Kendari yakni satu siswa laki-laki dengan kategori self-concept tinggi, satu siswa laki-laki dengan kategori self-concept sedang, satu siswa laki-laki dengan kategori selfconcept rendah, satu siswa perempuan dengan kategori self-concept tinggi, satu siswa perempuan dengan kategori self-concept sedang, satu siswa perempuan dengan kategori self-concept rendah. Teknik Pengumpulan data menggunakan instrumen tes dan angket yakni tes kemampuan komunikasi matematika dan angket self-concept. Teknik analisis data yang digunakan analisis deskriptif berdasarkan aspek kemampuan komunikasi dan kategori self-concept matematis siswa. Hasil penelitian yang diperoleh bahwa siswa perempuan memiliki kemampuan komunikasi yang lebih baik dibandingkan dengan siswa laki-laki. Kategori self-concept yang lebih baik akan memberikan kontribusi yang lebih baik pula terhadap kemampuan komunikasi matematika siswa.

The purpose of this study was to determine the effectiveness of the model to Make a Match in mathematics learning 6^th-grade students of Elementary School Marioriwawo Sub-District. This research is a quantitative experimental research. The population in the study were all 6^th-grade students of Elementary School Marioriwawo Sub-District from 50 school. Determination of the sample was done by random sampling. Data analysis techniques used is descriptive statistics and inferential statistics using a single sample test. The results showed that the application of effective models in learning mathematics 6^th-grade students of Elementary School Marioriwawo Sub-District in terms of the average learning outcomes 71.9, 80.4% activity and and the response to the application of the model 93.7%.