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All Journal Delta-Pi : Jurnal Matematika dan Pendidikan Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education SOSCIED JURNAL AXIOMA : Jurnal Matematika dan Pembelajaran Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika KUBIK: Jurnal Publikasi Ilmiah Matematika MARISEKOLA: Jurnal Matematika Riset Edukasi dan Kolaborasi Dharmas Education Journal (DE_Journal) Kognitif: Jurnal Riset HOTS Pendidikan Matematika ADIBA: Journal of Education Education Journal: General and Specific Research Lemma: Letters of Mathematics Education Jurnal Cendekia Ilmiah Jurnal Pendidikan dan Keguruan
Marvel G. Maukar
Jurusan Matematika, Universitas Negeri Manado
Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Public Health Social Sciences Other

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Pengaruh pembelajaran kooperatif tipe student team achievement divisions terhadap hasil belajar matematika siswa pada lingkaran Poluakan, Meylan Jashinta; Tilaar, Anetha Lyta Flora; Maukar, Marvel Grace
Delta-Pi: Jurnal Matematika dan Pendidikan Matematika Vol 14, No 1 (2025)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/dpi.v14i1.9906

Abstract

Tujuan penelitian ini dilakukan untuk mengidentifikasi pengaruh dalam capaian belajar matematika peserta didik melalui penerapan model pembelajaran kooperatif tipe Student Team Achievement Divisions (STAD), serta membandingkan efektivitasnya dengan pendekatan konvensional yang selama ini diterapkan dalam proses pembelajaran. Rancangan penelitian yang digunakan adalah metode penelitian kuantitatif dengan desain eksperimen pretest dan posttest. Sampel yang terlibat dalam penelitian ini berjumlah 70 siswa. Pengumpulan data dilakukan melalui pelaksanaan tes yang terdiri dari dua jenis, yaitu pretest dan posttest. Data yang diperoleh kemudian dianalisis menggunakan statistik uji-t. Hasil penelitian menunjukan bahwa bahwa pendekatan pembelajaran kooperatif tipe STAD secara signifikan berpengaruh dalam meningkatkan capaian belajar siswa yang dapat dilihat dari nilai pretest 56,94 dengan nilai posttest 82,085 serta mengungguli metode konvensional dalam menambah tingkat capain belajar matematika siswa pada materi lingkaran yang dillihata dari hasil uji t yakni thitung > ttabel, untuk nilai thitung = 3.105 and ttabel = 1.667 yang berarti bahwa terdapat perbedaan antara capaian belajar kelas dengan pendekatan pembelajaran kooperatif tipe STAD serta metode konvensinal. Kata Kunci : Hasil Belajar; Lingkaran; Metode kovensional; Pengaruh pembelajaran; Student team achievement divisions;
ANALISIS KEMAMPUAN LITERASI NUMERASI SISWA SMP KELAS VII DI KECAMATAN TONDANO BARAT Manalu, Roito Brigita; Maukar, Marvel Grace; Regar, Vivian
JURNAL LEMMA Vol 11, No 2 (2025): Lemma: Letters of Mathematics Education
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jl.2024.v11i2.9706

Abstract

Numeracy literacy is an important foundation in linking mathematical understanding with its application in everyday life. This ability includes mastery of basic mathematical operations, skills to interpret, analyse and solve contextual problems. The results of observations and interviews in a number of junior high schools in the West Tondano District area, students are generally fluent in reading but in counting, some other students still have difficulty. This study uses a quantitative descriptive approach with data collection through tests. The results showed that the categorisation of high, medium, and low groups had an average value for the high group of 66.33, the medium group of 22.96, and the low group of 9.33.
PENGARUH PEMBELAJARAN MATEMATIKA KONTEKSTUAL PADA MATERI TEOREMA PHYTAGORAS TERHADAP HASIL BELAJAR SISWA KELAS VIII DI SMP NEGERI 3 TOULUAAN Runtunuwu, Feren F.; Monoarfa, Jorry F.; Maukar, Marvel G.
SOSCIED Vol 8 No 1 (2025): SOSCIED - Juli 2025
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/jsoscied.v8i1.885

Abstract

Based on the information, students at SMP Negeri 3 Touluaan have relatively low mathematics scores and face difficulties in learning Pythagorean theorem material, which impacts their learning outcomes. To achieve better learning results, one alternative learning model that can improve student outcomes is the Contextual Teaching and Learning (CTL) approach. The purpose of this research, as presented in this thesis, is to determine the students' learning outcomes after implementing the CTL approach in teaching Pythagorean theorem material to Grade VIII students at SMP Negeri 3 Touluaan, and to assess the completeness of learning outcomes after using the CTL approach. The research methodology used is quantitative descriptive statistics, with datancollection techniques including questionnaires, observation, and documentation. Basednon the results of the study, the influence of contextual mathematics learning on students' outcomes in Pythagorean theorem material at SMP Negeri 3 Touluaan has been positive. Supporting factors in the learning process include high student interest in learning, while inhibiting factors are a lack of foundational knowledge in geometric shapes, angles, and related topics, as well as some students' reluctance to express their opinions and their diverse backgrounds.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL CERITA PADA MATERI ARITMATIKA SOSIAL MENURUT KLASIFIKASI KASTOLAN DI SMP NEGERI 1 TOULUAAN Hamid, Hiskia Israel; Regar, Vivian E.; Maukar, Marvel G.
SOSCIED Vol 8 No 1 (2025): SOSCIED - Juli 2025
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/jsoscied.v8i1.950

Abstract

Penelitian ini bertujuan untuk menganalisis kesalahan yang dilakukan siswa dalam menyelesaikan soal cerita pada materi aritmatika sosial di kelas VII B SMP Negeri 1 Touluaan berdasarkan teori klasifikasi kastolan. Jenis penelitian ini adalah penelitian deskriptif kualitatif. Subjek dalam penelitian ini adalah 25 siswa kelas VII B. Teknik pengumpulan data yang digunakan melibatkan tes berupa 5 soal uraian, wawancara dan dokumentasi. Analisis data melalui tahap reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa dalam menyelesaikan soal cerita pada materi aritmatika sosial, siswa melakukan kesalahan konseptual dengan persentase sebesar 5.6%, pada kesalahan prosedural sebesar 35,2% dan pada kesalahan teknik sebesar 51,4%.
Effectiveness of the Teams Games Tournament (TGT) Cooperative Learning Model on Students’ Mathematics Achievement Karina, Lira; Runtu, Patricia V.J; Maukar, Marvel Grace
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.3457

Abstract

Students’ limited mastery of algebra remains a persistent obstacle in achieving the expected mathematics competencies. At MTs Negeri 1 Manado, instruction is still dominated by teacher-centered lectures, which often lead to passive learning behavior, declining motivation, and difficulties in understanding mathematical concepts. This study was conducted to examine the effectiveness of the Teams Games Tournament (TGT) cooperative learning model as an alternative approach to improve students’ mathematics achievement. A quantitative approach with a quasi-experimental pretest–posttest control group design was applied. The population consisted of all seventh-grade students, and a random sample of two classes (VII-B and VII-I) was selected. The research instrument comprised five essay-type test items that had been validated by experts (lecturers and teachers) and demonstrated acceptable reliability. The procedure included four main stages: preparation, pretest administration, instructional treatment, and posttest administration, followed by statistical analysis. Data were analyzed using normality and homogeneity tests, independent and paired-sample t-tests, and effect size estimation through Cohen’s d. The results indicated a significant improvement in the experimental group, with the mean score rising from 69.52 to 76.97, corresponding to a large effect size (d = 1.09). These findings confirm that the TGT model is effective in enhancing mathematics learning outcomes. Furthermore, the study highlights the pedagogical potential of TGT in promoting active participation, fostering motivation, and offering an engaging alternative to conventional lecture-based teaching in mathematics classrooms.
PENGARUH PENERAPAN MODEL PEMBELAJARAN OSBORN TERHADAP HASIL BELAJAR SISWA SMP KELAS VIII Adiputera N. Lontoh; John R. Wenas; Marvel G. Maukar
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 1 No. 1 (2023): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Education is very important to increase the potential and abilities of each person, so that they are able to face developments and changes that occur. Mathematics education is given with the aim that students can adapt to the rapid development of the world. Through the right learning model will produce good learning outcomes. This study aims to determine the learning outcomes taught with the Osborn learning model are higher than those using the conventional learning model with the lecture method. This research uses a quantitative approach with a quasi-experimental type of research. The data analysis method used is descriptive analysis, normality test, and Mann Whitney test which is processed using the SPSS (Statistical Product and Service Solutions) program. The results of this study show that student learning outcomes using the Osborn learning model are higher than those using the conventional model.
PENGARUH MODEL PEMBELAJARAN FLIPPED CLASSROOM TERHADAP PEMAHAMAN KONSEP MATEMATIKA SISWA PADA MATERI MATRIKS DI KELAS XI MIPA SMA NEGERI 1 MOTOLING Jodie A. Jacob; Santje M. Salajang; Marvel G. Maukar
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 1 No. 2 (2023): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The current mathematical learning model demands a standardized process that can promote various learning abilities, one of which is the ability to understand mathematical concepts. After a survey was conducted in one of the schools in the Motoling sub-district, namely SMA Negeri 1 Motoling, it turned out that a problem was found during the covid-19 pandemic, namely the lack of understanding of students' mathematical concepts in matrix material which can be seen from the results of student tests on matrix material, it is suspected that this problem is caused by learning models that are less precise and varied to be used in this pandemic period because students tend to learn online and offline, so a learning model is needed in this case. Based on this, experimental research was conducted to determine the differences in students' mathematical concept understanding abilities between classes taught using the flipped classroom model and classes taught using traditional learning models. The selected research subjects were 2 homogeneous classes, with the number of students in the experimental class being 30 people and the number of students in the control class being 30 people. The results showed that the average ability to understand mathematical concepts of students who were taught using the flipped classroom model was 88.3 while students who were taught using the traditional model were 66.07. Based on the results of testing the research hypothesis using the t-test, it can be concluded that the ability to understand students' mathematical concepts in the matrix material of students who are taught using the flipped classroom learning model is more than students who are taught using the traditional (conventional) model.
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAMS ACHIEVEMENT DIVISIONPADA MATERI LINGKARAN(Eksperimentasi Pada Siswa Kelas VIII SMP Negeri 1 Tondano) Millenika Putri Purba; Anetha L.F Tilaar; Marvel G. Maukar
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 1 No. 2 (2023): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Based on the results of observations and interviews that have been conducted at SMP Negeri 1 Tondano, information was obtained that the learning process is still using the direct learning model. Where learning is only centered on the teacher, so students are less active in learning mathematics.This causes students to have grades that are standard or below average. This cen be seen from the average score of students, which is 67.5, while the Minimum Completeness Criteria (KKM) set in schools is 75. The purpose of this study is to determine whether the learning outcomes of students who use the cooperative learning model of the student teams achievement division type are higher from student learning outcomes using direct learning models on circle material. The experimental design used in this study was a posstest control group design. the sample of this study was class VIIIC as the experimental class with 28 students and class VIIIB as the control class with 29 students at SMP Negeri 1 Tondano. Data obtained from student learning outcomes tests. With the average student learning outcomes in the experimental class was 81.64 and the average student learning outcomes in the control class was 72.85. analysis of the data using the t-test with a value of ???????????????????????? = 1.902 > ???????????????????????? = 1,67 then reject ????0 and accept ????1. The results of the study concluded that student learning outcomes taught by cooperative learning model type student teams achievement division were higher than student learning outcomes taught using direct learning models, so that they were well applied to the process of learning activities.
Co-Authors Adiputera N. Lontoh Anekke Pesik Anetha L.F. Tilaar Derel Filandy Kaunang F. Kaunang , Derel Gabriel E. W. Mosey Gahung, Veiren Sitovaya Noviany Garasut, Novresilia Grafi Lonto Hamid, Hiskia Israel Husain, Zubair James U.L. Mangobi Jhon R Wenas Joan Shelomikha Mawikere Jodie A. Jacob John R. Wenas Jorry F Monoarfa Karina, Lira Lumanaw, Joshua Apriano Manalu, Roito Brigita March Yakob Manawan Mardino M. Maloky Michella Angelie Pajow Millenika Putri Purba Monalisa Minggulina Markumbo Pai, Rijelio Nathanael Patricia V. J. Runtu Poluakan, Meylan Jashinta Poluan, Marsela M. Rine Ervine Margaretha Supit Runtunuwu, Feren F. Santje M. Salajang Somba, Genefif Tavania Meyni Tammu, Thomas Vivian E. Regar