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The Implementation of Microworld Logo in Classrooms Setyaningrum, Wahyu
PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika Vol. 4 No. 2: Desember 2008
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

The idea of Microworld Logo brought new perspectives in education. It gives inspiration to develop and look deeply into the powerful ways in which computers and educational software might improve teaching-learning processes. However, the implementation of this Logo seems to be unsuccessful. This paper discusses and evaluates the implementation of Logo in classrooms' context and discusses some obstacles in its implementation in classrooms so that teachers could get lesson from that. It considers the notion of Logo's history and its preceding implementation to identify the problems on Logo's implementation. This study shows that the failure of Logo implementation might be comes from the limitations of Logo itself, human and technical resources, and learning environments that are related with curriculum and schools policies.

Kemampuan representasi dan komunikasi matematis peserta didik SMA ditinjau dari prestasi belajar dan gaya kognitif Ranisa Junita
PYTHAGORAS Jurnal Pendidikan Matematika Vol 11, No 2: December 2016
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Penelitian ini bertujuan untuk mendeskripsikan dan membandingkan kemampuan representasi dan komunikasi matematis ditinjau dari prestasi belajar dan gaya kognitif. Jenis penelitian yang digunakan adalah quasi eksperimen dengan desain ex post facto. Data dianalisis menggunakan uji multivariat Hotelling’s Trace (T2) dan uji univariat t-Bonferroni. Hasil penelitian menunjukkan tidak terdapat interaksi prestasi belajar dan gaya kognitif yang membedakan representasi dan komunikasi matematis. Peserta didik field independent lebih baik dalam kemampuan representasi dan komunikasi matematis dibandingkan peserta didik field dependent, dan tingkat prestasi belajar membedakan kemampuan representasi dan komunikasi matematis.Kata kunci: representasi matematis, komunikasi matematis, prestasi belajar, dan gaya kognitif Mathematical representation and communication ability of senior high school students in terms of learning achievement and cognitive style AbstractThis study aims to describe mathematical and compare mathematical representation and communication ability in terms of learning achievement and cognitive style. Type of this study is used quasi eksperimen by ex post facto design. Data were analyzed using multivariate Hotteling’s Trace (T2) and univariate t-Bonfferoni. The result of this study that there isn’t interaction between learning achievement and cognitive style in different mathematical representation and communication ability. Students with field independent cognitive style have better mathematical representation ability and mathematical communication ability than students with field dependent cognitive style. The level of learning achievement different mathematical representation and communication ability.Keywords: mathematical representation, mathematical communication, learning achievement, and cognitive style

STUDI TENTANG STRATEGI GURU DALAM PEMBELAJARAN MATEMATIKA MENYIKAPI PERGESERAN PARADIGMA PENDIDIKAN TEACHER CENTERED KE STUDENT CENTERED Listyani, Endang
PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika Vol. 3 No. 2: Desember 2007
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v3i2.676

Educational system in Indonesia has been changing from teacher centered to student centered paradigm. The teacher leads to have an important responsibility to involve in the paradigm changing. Regarding that responsibility, the teacher must have a competency to use the appropriate learning strategy that can engage the student activity in class. The propose of this research is to know the teacher strategy in mathematics learning toward the changing of educational paradigm from teacher centered to student centered. The respondents in this research are the entire mathematics teachers in SMA Negeri at Kotamadya Yogyakarta consisting of 11 schools. Each school has 3-6 mathematics teachers, so there are 56 respondents including in this study. The closed and opened questionnaires are given to the teachers. Based on the questionnaires, it will be concluded whether the teacher has applied strategy that fits to student-centered or to the teacher centered paradigm and to identify problems faced by the teacher in performing learning innovations. Considering the research result, it can be concluded that generally the mathematics teachers in SMA Negeri, Kotamadya Yogyakarta have attempted the teaching and learning strategy suitable to student centered paradigm. The problems correspond to their effort are the limited equipment and human resources capabilities. Besides that, the learning innovations need longer time, which yields the difficulties to finish all the material of the subject.Key word: The teaching and learning strategy, Student centered

Pengembangan perangkat pembelajaran berbasis reciprocal teaching berorientasi pada antusiasme dan kemampuan berpikir kritis siswa Afdhal, Muhammad; Sugiman, Sugiman
PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika Vol. 12 No. 2: December 2017
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Penelitian ini bertujuan untuk menghasilkan perangkat pembelajaran matematika berupa RPP dan LKS untuk siswa SMP berbasis reciprocal teaching yang valid, praktis, dan efektif berorientasi pada antusiasme dan kemampuan berpikir kritis siswa. Penelitian ini merupakan penelitian pengembangan menggunakan model pengembangan 4-D oleh Thiagarajan, Semmel dan Semmel dengan tahapan yang dilakukan meliputi: (1) pendefinisian; (2) perancangan; (3) pengembangan; dan (4) penyebaran. Analisis data dilakukan dengan mengonversi total skor data kuantitatif yang diperoleh menjadi data kualitatif skala lima. Subjek uji coba dalam penelitian ini adalah guru dan siswa kelas VIII SMPN 24 Kota Bengkulu. Hasil penelitian ini menunjukkan bahwa perangkat pembelajaran matematika berbasis reciprocal teaching yang dikembangkan telah memenuhi aspek kevalidan, kepraktisan, dan keefektifan ditinjau dari antusiasme dan kemampuan berpikir kritis matematis. Kevalidan perangkat pembelajaran diperoleh dari hasil validasi ahli yang menunjukkan bahwa RPP dan LKS berada dalam kategori valid berdasarkan analisis Aiken dengan indeks pada RPP sebesar 0,63 dan LKS sebesar 0,62. Kepraktisan perangkat pembelajaran diperoleh dari penilaian guru dan siswa terhadap RPP dan LKS berada pada kategori mudah dilaksanakan dan keterlaksanaan pembelajaran guru dan siswa lebih dari 80%. Keefektifan perangkat pembelajaran ditunjukkan dari persentase siswa yang memiliki antusiasme minimal pada kategori tinggi mencapai 88,89% dan persentase ketuntasan berpikir kritis secara klasikal sebesar 80,00%.Developing Teaching Kits Based on Reciprocal Teaching Oriented to Enthusiasm and Student's Critical Thinking Ability AbstractThis research is aimed at developing a mathematics teaching kits consist of lesson plans and student's worksheets for student's of junior high school based on reciprocal teaching which is valid, practical, and effective oriented to enthusiasm and student's critical thinking ability. This research was a research and development study which used the 4-D model developed by Thiagarajan, Semmel and Semmel included: (1) defining; (2) designing; (3) developing; and (4) disseminating. The data analysis of instruments was done by converting the total score of the quantitative data into qualitative data in rating scale of five obtained from the instruments. The try out subjects were teachers and class VIII student's of SMPN 24 Kota Bengkulu. The result of the research shows that the developed mathematics teaching kits based on reciprocal teaching have met the aspects of validity, practicality, and effectiveness oriented to enthusiasm and critical thinking ability. The result of the validation shows that the lessons plan and the student's worksheet are categorized as valid based on the Aiken analysis showing the index for the lesson plan 0.63 and the students' worksheet 0.62. The developed mathematics teaching kits are practical based on assessment of teachers and student's that are in the category of easily implemented and teacher and student's learning achievement more than 80%. The effectiveness of learning instrument was proved by the percentage of student's learning enthusiasm who have reached the high minimum category score is 88.89% and the percentage of critical thinking ability test is 80.00%.

MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWADENGAN PEMBELAJARAN MENGGUNAKAN APLIKASIMOODLE Muin, Abdul; Mauliya Ulfah, Rizki
PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 1: Juni 2012
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Pengaruh pembelajaran matematika dengan aplikasi moodle terhadap hasil belajar siswa dibahasdisini. Dalam penelitian ini quasi eksperimen digunakan dengan dua kelompok. Kelompok eksperimendiberikan pembelajaran dengan apliksi moodle dan kelompok control diberikan pembelajaran denganaplikasi power point. Hasil pengujian hipotesis cukup signifikan pada taraf nyata 5%. Hasil inimenunjukkan bahwa hasil belajar siswa yang pembelajarannya menggunakan aplikasi moodle lebih besardaripada hasil belajar siswa yang pembelajarannya mnggunakan aplikasi powerpoint. Hal ini dapatdiinterpretasikan bahwa penerapan aplikasi moodle dalam pembelajaran matematika dapat mempengaruhihasil belajar mereka. Penerapan aplikasi moodle dapat meningkatkan hasil belajar matematika siswa.Keywords: Hasil belajar, aplikasi moodle, aplikasi powerpoint,

Model diskursus multi representasi dan kemampuan pemahaman konsep matematika siswa sekolah menegah pertama Kadek Pasek Budarsini; I Made Suarsana; I Nengah Suparta
PYTHAGORAS Jurnal Pendidikan Matematika Vol 13, No 2: December 2018
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Penelitian ini merupakan penelitian eksperimen semu yang bertujuan untuk mengetahui pengaruh model pembelajaran Diskursus Multi Representasi terhadap kemampuan pemahaman konsep matematika siswa kelas VII SMP Negeri 5 Singaraja, Provinsi Bali. Desain penelitian yang digunakan dalam penelitian ini adalah post-test only control group design. Populasi penelitian ini adalah seluruh siswa kelas VII SMP Negeri 5 Singaraja semester genap tahun ajaran 2017/2018. Sampel penelitian ditentukan dengan teknik cluster random sampling dan terpilih 2 kelas yakni kelas VII H dan kelas VII I sebagai sampel penelitian. Melalui pengundian kelas VII I dipilih sebagai kelas eksperimen dan kelas VII H sebagai kelas kontrol. Data mengenai pemahaman konsep matematika siswa dikumpulkan dengan menggunakan tes essay dan selanjutnya dianalisis dengan menggunakan uji-t satu arah (one-tailed) pada taraf signifikansi 5%. Hasil analisis data menunjukkan bahwa nilai thitung = 2,037 dan ttabel = 1,671, tampak bahwa thitung ttabelyang berarti hipotesis nol ditolak. Dari hasil tersebut dapat disimpulkan bahwa kemampuan pemahaman konsep matematika siswa kelas VII SMP Negeri 5 Singaraja yang dibelajarkan model pembelajaran Diskursus Multi Representasi lebih baik dari kemampuan pemahaman konsep matematika siswa yang dibelajarkan dengan model pembelajaran konvensional. Multiple representation discourse model and the ability of understanding the mathematical concept of students of junior high school AbstractThis research was a quasi-experimental research that aimed to determine the effect of Multiple Representation Discourse learning model towards the ability of understanding the mathematical concept of VII grade students of SMP Negeri 5 Singaraja, Province of Bali, Indonesia. The research design used in this research was post-test only control group design. The population of this study were all students of grade VII of SMP Negeri 5 Singaraja in second semester of academic year 2017/2018. The sample of the research was determided by cluster random sampling technique. The use of this technique was done by drawing the 11 classes. One class was taken randomly to be become experimental class and the other one as control class. Data of students' mathematics concept understanding were collected by using the essay test and were analyzed by using a one-tailed test at significance level of 5%. The results showed that tcount = 2.037 and ttable = 1.671, which means that the hypothesis null was rejected. This indicated that the application of the Multiple Representation Discourse model positively significantly affects the students' understanding on mathematical concepts

Analisis kesalahan siswa dalam menyelesaikan soal cerita persamaan linear dua variabel Widi Pradini
PYTHAGORAS Jurnal Pendidikan Matematika Vol 14, No 1: June 2019
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Tujuan dari penelitian kualitatif ini adalah untuk mendeskripsikan kesalahan siswa dalam menyelesaikan soal cerita persamaan linear dua variabel. Sumber data merupakan 23 siswa kelas VIII yang telah diajar persamaan linear dua variabel. Data yang diambil adalah jawaban tertulis siswa dan hasil wawancara siswa yang menjadi subyek penelitian. Data dianalisis secara deskriptif melalui tahapan berikut: 1) membaca dan menelaah data jawaban tertulis satu per satu untuk menentukan kesalahan yang dialami siswa (reading), 2) membuat deskripsi singkat mengenai kesalahan yang dilakukan siswa (describing), dan 3) mengelompokkan kesalahan yang dilakukan siswa berdasarkan indikator tahap pemecahan masalah Polya (classifying). Dari hasil analisis data jawaban tertulis, peneliti menentukan 5 subyek penelitian yang selanjutnya akan diwawancarai. Hasil wawancara digunakan untuk melengkapi data jawaban tertulis siswa yang menjadi subyek penelitian. Hasil penelitian menunjukkan bahwa kesalahan terjadi pada setiap indikator tahap pemecahan masalah Polya. Jenis kesalahan yang dilakukan siswa adalah kesalahan fakta, kesalahan prosedur, dan kesalahan karena kecerobohan. Penyebab kesalahan tersebut diantaranya adalah keterampilan pemahaman bacaan siswa yang terbatas, siswa belum mampu mengidentifikasi informasi yang relevan dalam soal cerita, siswa belum terbiasa mengerjakan soal cerita, manajemen waktu yang kurang baik, dan siswa belum menguasai dengan baik materi matematika yang dibutuhkan untuk menyelesaikan soal cerita. The analysis of students’ error in solving the linear equation of two variables word problemAbstractThe purpose of this qualitative research was to describe the error of students in solving the linear equation of two variables word problem. The data source was 23 eight grade students who have been taught about the linear equation of two variables. The data are student-written answer in solving the linear equation of two variables word problem and the results of the interview from the students who become the research subjects. Data were analyzed descriptively through the steps as follows;1) read and reviewed the written answer data one by one to determine the errors experienced by students (reading), 2) made a brief description of the errors made by students (describing), and 3) classified errors made by students based on Polya’s problem-solving stage indicators (classifying). From the results of the written answer data analysis, the researcher determines 5 research subjects who will follow the interview. The results of the interview used to complete the written answer data of students who were the research subject. The study showed that errors occur in Polya’s problem-solving stage indicators. The types of errors made by students were a factual error, procedural error, and carelessness error. The causes of such errors include the limited skills of student's reading comprehension, student's inability in identifying relevant information in word problems, students were not familiar to solve the word problem, poor time management, and students not mastering the mathematical material needed to solve the word problems.

Keefektifan Pembelajaran Kooperatif Tipe TGT dan GI Ditinjau dari Ketercapaian Standar Kompetensi, Sikap, Minat Matematika Abd. Haris; Agus Maman Abadi
PYTHAGORAS Jurnal Pendidikan Matematika Vol 8, No 2: December 2013
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Penelitian ini bertujuan untuk mendeskripsikan (1) keefektifan model pembelajaran kooperatif tipe TGT dan GI dan (2) mendeskripsikan perbandingan keefektifan model pembelajaran kooperatif tipe TGT dan GI ditinjau dari ketercapaian standar kompetensi, sikap, dan minat siswa terhadap matematika. Populasi penelitian ini adalah siswa kelas VII SMP Negeri 1 Unter Iwes Sumbawa yang terdiri atas 6 kelas. Dua kelas diambil secara acak sebagai sampel, yaitu kelas VII.3 dan VII.4. Kelas VII.3 belajar dengan model pembelajaran kooperatif tipe TGT, sedangkan kelas VII.4 belajar dengan model pembelajaran kooperatif tipe GI. Data penelitian dianalisis dengan uji One sample t test, uji T2 hoteling’s pada signifikansi 5% dan uji Independent t test. Hasil penelitian menunjukkan bahwa (1) pembelajaran matematika dengan model pembelajaran kooperatif tipe TGT dan GI efektif ditinjau dari ketercapaian standar kompetensi, sikap, dan minat siswa terhadap matematik dan (2) model pembelajaran kooperatif tipe TGT lebih efektif dibandingkan dengan model pembelajaran kooperatif tipe GI ditinjau dari ketercapaian standar kompetensi, sikap, dan minat siswa terhadap matematika.Kata Kunci: pembelajaran kooperatif, TGT, GI, ketercapaian standar kompetensi, sikap, minat. The Effectiveness of Cooperative Learning of TGT and GI Types in Terms of Achievement of Competence Standard, Attitude, Interest Mathematics AbstractThis study aims to describe (1) the effectiveness of cooperative learning model of TGT and GI type and (2) describe the comparison between the effectiveness of cooperative learning model of TGT and GI type in terms of achievement of competence standard, attitude, and interest of student toward mathematics. The research population was a Class VII student of SMP Negeri 1 Unter Iwes Sumbawa which consisted of 6 classes. Two classes, namely Class VII.4 and Class VII.3 as the research sample. Class VII.3 learned through the cooperative learning of TGT type and Class VII.4 learned through the cooperative learning of GI type. The data were analyzed using One sample t test, T2 Hoteling’s at the significance level of 5% and Independent t test. The results of the study show that: (1) mathematics learning with cooperative learning model of TGT and GI type is effective in terms of achievement of competence standard, attitude, and interests of student towards mathematic, and (2) cooperative learning model of TGT type is more effective compared with the cooperative learning model of GI type in terms of achievement of competence standard, attitude, and interest of student toward mathematics.Keywords: cooperative learning, TGT, GI, achievement of competency standard, attitude, interest.

Hubungan kemampuan numerik dan kemampuan spasial terhadap kemampuan komunikasi matematis siswa Bedilius Gunur; Derfina Agustavira Lanur; Polikarpus Raga
PYTHAGORAS Jurnal Pendidikan Matematika Vol 14, No 2: December 2019
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Penelitian ini bertujuan untuk mendeskripsikan (1) hubungan parsial antara kemampuan numerik dan kemampuan spasial dengan kemampuan komunikasi matematis siswa; (2) hubungan kemampuan numerik dan kemampuan spasial secara simultan terhadap kemampuan komunikasi matematis siswa. Penelitian ini merupakan penelitian korelasional dengan populasi adalah siswa kelas VII SMPK Santu Fransiskus Xaverius Ruteng yang terletak di Kecamatan Langke Rembong Kabupaten Manggarai, Propinsi Nusa Tenggara Timur. Sampel sebanyak 66 siswa dipilih menggunakan teknik random sampling. Data diperoleh dari tes kemampuan numerik, tes kemampuan spasial, dan tes kemampuan komunikasi matematis. Analisis uji prasyarat menggunakan uji normalitas, uji linearitas, dan uji multikolinearitas. Analisis data menggunakan analisis korelasi sederhana dan korelasi ganda. Hasil penelitian menunjukkan bahwa (1) terdapat hubungan signifikan antara kemampuan numerik dengan kemampuan komunikasi matematis siswa dengan koefisien korelasi 0,457 dan besar sumbangan kemampuan numerik terhadap kemampuan komunikasi matematis sebesar 20,9%; (2) terdapat hubungan signifikan antara kemampuan spasial dengan kemampuan komunikasi matematis siswa dengan koefisien korelasi 0,426 dan besar sumbangan kemampuan spasial terhadap kemampuan komunikasi matematis sebesar 18,1%; (3) terdapat hubungan signifikan kemampuan numerik dan kemampuan spasial secara simultan terhadap kemampuan komunikasi matematis siswa dengan koefisien korelasi 0,555 dengan kontribusi kedua variable secara simultan terhadap kemampuan komunikasi matematis siswa sebesar 30,8%. The relationship between numerical and spatial ability to students' mathematical communication ability AbstractThis study aimed to describe (1) a partial relationship between students’ numerical abilities and spatial abilities with mathematical communication abilities; (2) simultaneous relationship between students’ numerical and spatial abilities to mathematical communication abilities. This study used correlational research. The population of this research was seventh-grade students of SMPK St. Fransiskus Xaverius Ruteng, located in Langke Rembong Subdistrict, Manggarai Regency, East Nusa Tenggara, Indonesia. A sample of 66 students was selected using the random sampling technique. Data were obtained by using numerical ability tests, spatial ability tests, and mathematical communication ability test. Before analyzing the data, a normality test, linearity test, and multicollinearity test were carried out. The data were analyzed by using a simple correlation and multiple correlations. Data analysis showed that (1) there was a significant relationship between students’ numerical abilities and mathematical communication abilities with correlation coefficient 0,457 and the contribution of numerical ability to mathematical communication ability was 20.9%; (2) there was a significant relationship between students’ spatial abilities and mathematical communication abilities with correlation coefficient 0,426 and the contribution of spatial ability to mathematical communication ability is 18.1%; (3) there was a simultaneous relationship between students’ numerical and spatial abilities to students mathematical communication abilities with correlation coefficient 0,555 with the contribution of both variables to students' mathematical communication ability was 30.8%.

Keefektifan Pembelajaran Matematika dengan Pendekatan CTL dan Problem Posing Ditinjau dari Ketercapaian SK/KD dan Kemampuan Koneksi Matematik Rizky Oktora Prihadini Eka Putri; Agus Maman Abadi
PYTHAGORAS Jurnal Pendidikan Matematika Vol 9, No 1: June 2014
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Penelitian ini bertujuan untuk mendeskripsikan keefektifan pendekatan CTL ditinjau dari keter-capaian SK/KD dan kemampuan koneksi matematik siswa, mendeskripsikan keefektifan pendekatan problem posing ditinjau dari ketercapaian SK/KD dan kemampuan koneksi matematik siswa, dan menentukan mana yang lebih efektif antara pendekatan CTL atau pendekatan problem posing ditinjau dari ketercapaian SK/KD dan kemampuan koneksi matematik siswa. Penelitian ini adalah penelitian eksperimen semu dengan desain pretest-posttest non-equivalent group design. Populasi penelitian mencakup seluruh siswa kelas VII SMP Negeri 11 Yogyakarta. Kelas VIIA dan VIIB ditentukan sebagai sampel menggunakan random sampling technique.Untuk menguji keefektifan pembelajaran matematika dengan pendekatan CTL dan problem posing digunakan analisis one sample t-test. Selanjutnya untuk mengetahui perbedaan keefektifan pembelajaran matematika dengan pendekatan CTL dan problem posing, data dianalisis dengan menggunakan uji T2 Hotelling’s, dan uji t untuk menentukan pendekatan yang lebih efektif. Hasil penelitian menunjukkan bahwa pendekatan CTL efektif ditinjau dari ketercapaian SK/KD dan kemampuan koneksi matematik siswa, pendekatan problem posing efektif ditinjau dari ketercapaian SK/KD dan kemampuan koneksi matematik siswa, dan pendekatan CTL lebih efektif daripada pendekatan problem posing ditinjau dari ketercapaian SK/KD, dan kemampuan koneksi matematik siswa. Kata Kunci: pendekatan CTL, pendekatan problem posing, ketercapaian SK/KD, dan kemampuan koneksi matematik siswa. The Effectiveness of Mathematics Teaching Using the CTL and Problem Posing Approaches Viewed from the Achievement of SK/KD and Ability of Mathematics Connection AbstractThe aims of this research are to describe the effectiveness of the CTL approach viewed from students’ achievement in SK/KD and mathematics connection ability, describe the effectiveness of the problem posing approach viewed from students’ achievement in SK/KD and mathematics connection ability, and determine which one is more effective between the CTL approach and the problem posing approach viewed from the students’ achievement in SK/KD and mathematics connection ability. This research was a quasi-experiment with apretest-posttest non- equivalent group design. The research population covered the entire students’ of class VII of SMP Negeri 11 Yogyakarta. Classes of VIIA and VIIB were established as the sample using the random sampling technique. To test the effectiveness of mathematics teaching using the CTL approach and the problem posing approach, the analysis of one sample t-test was used. Furthermore, to discover the difference between the effectiveness of mathematics teaching using the CTL approach and the problem posing approach, the data were analyzed using T2Hotelling’stest, and t test to determine which approach was more effective. The research result suggests that the CTL approach is effective viewed from the student’s achievement in SK/KD and mathematics connection ability, the problem posing approach is effective viewed from the students’ achievement in SK/KD and mathematics connection ability, and the CTL approach is more effective than the problem posing approach viewed from the students’ achievement in SK/KD, and mathematics connection ability.Keywords: CTL approach, problem posing approach, achivement of SK/KD, and student’s mathematics connection ability.

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