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Tambunan, Lois
UNIVERSITAS HKBP NOMMENSEN PEMATANGSIANTAR
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PENGARUH MODEL CONTEXTUAL TEACHING AND LEARNING TERHADAP HASIL BELAJAR DAN KEAKTIFAN BELAJAR SISWA DI SMP NEGERI 9 PEMATANGSIANTAR Adi Putra Ginting; Lois Oinike Tambunan; Golda Novatrasio Sauduran
MES: Journal of Mathematics Education and Science Vol 8, No 1 (2022): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v8i1.6123

Abstract

This study aims to determine whether there is an effect of the Contextual Teaching and Learning model on learning outcomes and student learning activities at SMP Negeri 9 Pematangsiantar. The method used in this research is an experimental method using a True Experimental Design in the form of Pretest-Posttest Control Design. The sample consisted of two classes, namely the experimental class which was treated with the Contextual Teaching and Learning learning model and the control class which was given the conventional learning model, each of which amounted to 32 people. The data were collected by the method of tests and questionnaires. The number of test items used were 5 essay questions and 20 questionnaire items that had been declared eligible. Data analysis used normality test, homogeneity test, and hypothesis testing. The results of hypothesis testing showed that there was an effect of the Contextual Teaching and Learning learning model on learning outcomes and student learning activities at SMP Negeri 9 Pematangsiantar.
PENGARUH PENGGUNAAN APLIKASI CABRI 3D TERHADAP HASIL BELAJAR SISWA PADA MATERI BANGUN RUANG PRISMA DI SMP NEGERI 1 JORLANG HATARAN Helen Ronauli Simanjuntak; Lois Oinike Tambunan; Golda Novatrasio Sauduran
MES: Journal of Mathematics Education and Science Vol 8, No 1 (2022): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v8i1.6089

Abstract

The purpose of this study was to determine whether the use of the 3D Cabri application had an impact on student learning outcomes in studying prisms of building materials or not. This research is quantitative research with experimental research methods and True Experimental Design in the form of a Pretest-Postest Control Design. This research was conducted at SMP Negeri 1 Jorlang Hataran. The samples used in this study were students of classes VIII-4 and VIII-8, each of which amounted to 32 people. The instrument used is an essay test with 5 items that have been tested for feasibility. Data collection techniques in research are through observation, tests, and documentation. The data analysis technique is using Liliefors test for the normality test, Fisher's test for the homogeneity test, and a t-test for hypothesis testing. After the two sample data are declared normal and homogeneous, it can be continued with hypothesis testing. From the results of data analysis, it was found that the use of Cabri 3D had an effect on student learning outcomes in the material of building prisms at SMP Negeri 1 Jorlang Hataran.
PENGARUH MODEL CONTEXTUAL TEACHING AND LEARNING TERHADAP KEMAMPUAN PENALARAN MATEMATIS SISWA KELAS VII DI SMP NEGERI 9 PEMATANGSIANTAR Eunike Juliani Lestari Sitanggang; Lois Oinike Tambunan; Golda Novatrasio Sauduran
MES: Journal of Mathematics Education and Science Vol 8, No 1 (2022): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v8i1.6091

Abstract

This study aims to determine whether there is an effect of the Contextual Teaching and Learning model on the mathematical reasoning abilities of seventh-grade students at SMP Negeri 9 Pematangsiantar. The method used in this research is an experimental method using a True Experimental Design in the form of a Pretest-Posttest Control Design. The sample consisted of two classes, namely the experimental class which was treated with the Contextual Teaching and Learning learning model, and the control class which was given the conventional learning model, each sample group totaling 32 people. Data were collected by observation, test, and documentation methods. Analysis of the data used is using normality test, homogeneity test, and hypothesis testing. The results of hypothesis testing indicate that there is an effect of the Contextual Teaching and Learning learning model on the mathematical reasoning abilities of seventh-grade students at SMP Negeri 9 Pematangsiantar.
PENGARUH MODEL PEMBELAJARAN CONNECTED MATHEMATICS PROJECT TERHADAP KEMAMPUAN KONEKSI MATEMATIS SISWA DI SMP NEGERI 9 PEMATANGSIANTAR T.A 2022/2023 Yan Verico Manik; Lois Oinike Tambunan; Yoel Octobe Purba
MES: Journal of Mathematics Education and Science Vol 8, No 1 (2022): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v8i1.6088

Abstract

This study aims to determine whether there is an effect of the Connected Mathematics Project learning model on students' connection abilities at SMP Negeri 9 Pematangsiantar T.A 2022/2023. The method used in this study is an experimental method using a Quasi Experimental Design. The sample consisted of two classes, namely the experimental class which was treated with the Connected Mathematics Project learning model and the control class which was given the conventional learning model with a total of 32 people each. Data were collected by observation, interview, test, and documentation methods. Analysis of the data requirements used is the normality test and homogeneity test. Then based on the results of hypothesis testing, it was concluded that there was an effect of the Connected Mathematics Project learning model on the mathematical connection abilities of students at SMP Negeri 9 Pematangsiantar T.A 2022/2023.
PENGARUH BLENDED LEARNING MENGGUNAKAN MODEL FLIPPED CLASSROOM TERHADAP KEMAMPUAN PENALARAN MATEMATIS SISWA PADA MATERI PERTIDAKSAMAAN NILAI MUTLAK LINEAR SATU VARIABEL Tiur Yohana Tampubolon; Lois Oinike Tambunan; Yoel Octobe Purba
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 6 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i6.13835

Abstract

This research uses a quantitative research that aims to determine whether there is an effect of Blended Learning using Flipped Classroom model on students’ mathematical reasoning abilities on the linear absolute value inequality of one variable. The type of research used is experimental research in a  quasi experimental from with a nonequivalent control group design. The population of this research were all tenth graders of SMA Negeri 4 Pematangsiantar for the academic year 2022/2023 as many as 357 students. Sampling using purposive sampling technique, while the samples from this research were taken X-PMIA 5 as the experimental class and X-PMIA 6 as control class. The instrumen used is a test of students’ mathematical reasoning abilities in the form of description of 5 equestions. The data analysis technique used to see the effect is using an Z-test, after calculating, obtained Z_hit=2,884 dwith a significant level of 0,05 then obtained Z_tab=1,64. Thus its is known that  〖Z_hit>Z〗_tab is 2,884>1,64 so can be concluded that there is an effect of Blended Learning using Flipped Classroom model on students’ mathematical reasoning abilities on the linear absolute value inequality  one  of variable.
PENGARUH STRATEGI PEMBELAJARAN BERBASIS MASALAH TERHADAP KEMAMPUAN PEMECAHAN MASALAH MAHASISWA GOLDA NOVATRASIO SAUDURAN; LOIS OINIKE TAMBUNAN; YOEL OCTOBE PURBA
JURNAL EKONOMI, SOSIAL & HUMANIORA Vol 3 No 12 (2022): INTELEKTIVA : JURNAL EKONOMI, SOSIAL DAN HUMANIORA - EDISI AGUSTUS 2022
Publisher : KULTURA DIGITAL MEDIA ( Research and Academic Publication Consulting )

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

Abstract

Tulisan ini merupakan suatu tulisan untuk mengetahui bagaimana pengaruh strategi pembelajaran pemecahan masalah terhadap kemampuan pemecahan masalah mahasiswa prodi matematika UHNP. Penelitian ini bertujuan untuk mengetahui apakah ada pengaruh strategi pembelajaran pemecahan masalah terhadap kemampuan pemecahan masalah mahasiswa Prodi Matematika UHNP Medan Tahun Ajaran 2021/2022. Sampel yang dipergunakan dalam penelitian ini adalah seluruh mahasiswa prodi pendidikan matematika FKIP Universitas HKBP Nommensen Pematangsiantar yang mengikuti matakuliahpeodelan matematika sebanyak dari 2 kelas. Penelitian ini termasuk penelitian jenis eksperimental bersifat quasieksperimen. Rancangan penelitian yang digunakan adalah One- shot case study adalah sekolompok sampel dikenai perlakuan tertentu (variabel bebas) kemudian dilakukan pengukuran terhadap variabel tersebut. Hasil penelitian yang diperoleh rata-rata sebesar 80,877 dan standar deviasi 9,448. Dari hasil analisis data diperoleh nilai a sebesar 5.734949724 dan nilai b sebesar 0.873843 sehingga didapat persamaan regresi: , maka dapat disimpulkan strategi pembelajaran pemecahan masalah dan kemampuan pemecahan masalah matematika mahasiswa mempunyai hubungan linier yang positif. Hasil pengujian hipotesis menunjukkan bahwa ada pengaruh strategi pembelajaran pemecahan masalah terhadap kemampuan pemecahan masalah matematika mahasiswa sebesar 78,65 %.
The Training on the Use of Geogebra Software in Learning at SMA Hutabayuraja : Pelatihan Penggunaan Perangkat Lunak Geogebra dalam Pembelajaran di SMA Hutabayuraja Lois Oinike Tambunan; Janwar Tambunan
Mattawang: Jurnal Pengabdian Masyarakat Vol. 3 No. 4 (2022)
Publisher : Yayasan Ahmar Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (814.321 KB) | DOI: 10.35877/454RI.mattawang1274

Abstract

The use of information technology, especially with computer-based applications in the learning process in schools, is able to provide convenience in the process. In the application of computer-based learning, especially in the learning process in the field of mathematics, the use of information technology, especially the use of mathematical software. One of the mathematical software that can be used in the learning process is the use of Geogebra software. In the learning process in schools, teachers are required to be more innovative and follow the development of information technology in the learning process. The use of Geogebra software can support the learning process, especially in the field of mathematics education. This training aims to make the teachers at SMA Hutabayuraja more skilled in using media in learning. This PKM activity was carried out in a demonstration, where the PKM team first provided material about the GeoGebra software, and continued by providing training using the GeoGebra software to the trainees. Thus, it is hoped that these teachers can use GeoGebra software in the learning process.
Pengaruh Model Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematis Buana Maria Gultom; Theresia Monika Siahaan; Lois Oinike Tambunan
Jurnal Pendidikan Sains dan Komputer Vol. 2 No. 02 (2022): Artikel Riset Periode Oktober 2022
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/jpsk.v2i02.1792

Abstract

Skripsi ini mengkaji tentang pengaruh model pembelajaran Problem Based Learning terhadap kemampuan pemecahan masalah matematis siswa di kelas X SMA Negeri 2 Pematangsiantar. Skripsi ini dilatarbelakangi dari siswa kurang aktif pada saat proses pembelajaran, metode pembelajaran yang digunakan belum bervariasi dan rendahnya kemampuan pemecahan masalah matematis siswa dalam menyelesaikan soal matematika. . Penelitian ini menggunakan metode penelitian eksperimen semu (Quasi Experimen) dengan desain penelitian yaitu nonequivqlen control grup design. Sampel dalam penelitian ini terdiri dari 71 siswa. Pengumpulan data dilakukan melalui tes tertulis yaitu pretest dan posttest berupa soal uraian yang berjumlah 5 soal untuk pretest dan 5 soal untuk posttest. Dari hasil analiasis data dengan menggunakan rumus Kolmograv Smirov, diperoleh dari hasil uji normalitas tes akhir kelas eksperimen diperoleh nilai signifikansi 0,200 dan kelas kontrol nilai signifikansi 0,200 dimana keduanya > 0,05. Maka dapat disimpulkan bahwa data berdistribusi normal. Diperoleh bahwa nilai pretest signifikansi 0,056 > 0,05 maka dapat disimpulkan memiliki variansi yang homogen. diperoleh bahwa nilai posttest signifikansi 0,867 > 0,05 maka dapat disimpulkan memiliki variansi yang homogen. Dengan df = 69 dan taraf signifikan 0,05, maka diperoleh ttabel = 1,994. Dengan demikian , diketahui bahwa untuk uji-t pretest thit < ttabel yaitu 0,771<1,994 dan sig. > yaitu 0,443 sehingga H0 diterima, Ha ditolak. Dan untuk uji t posttest thit > ttabel yaitu 3,454 >1,994 sehingga Ha diterima dan H0 ditolak. Sehingga dapat disimpulakn bahwa terdapat pengaruh signifikan dari model pembelajaran Problem Based Learning terhadap kemampuan pemecahan masalah matematis siswa di kelas X SMA Negeri 2 Pematangsiantar.
Pengaruh Model Pembelajaran Treffinger Terhadap Kemampuan Pemecahan Masalah Matematis Devi Fierda Situmorang; Theresia Monika Siahaan; Lois Oinike Tambunan
Jurnal Pendidikan Sains dan Komputer Vol. 2 No. 02 (2022): Artikel Riset Periode Oktober 2022
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/jpsk.v2i02.1793

Abstract

Skripsi ini membahas tentang pengaruh model pembelajaran treffinger terhadap kemampuan pemecahan masalah matematis siswa di kelas VIII SMP Negeri 8 Pematangsiantar. Skripsi ini dilatarbelakangi dari kurang efektifnya proses pembelajaran yang berlangsung di dalam kelas khususnya kelas VIII sehingga mengakibatkan kurangnya kemampuan pemecahan masalah matematis siswa dalam pembelajaran matematika yang akan mempengaruhi siswa dalam proses menyelesaikan soal matematika. Penelitian ini menggunakan metode Quasi Experiment dengan desain penelitian yaitu The Nonequivalent Pretest-Posttest Control Group Design. Sampel dalam penelitian ini terdiri dari 64 siswa yang terdapat di kelas eksperimen (VIII-4) sebanyak 32 siswa dan di kelas kontrol (VIII-5) sebanyak 32 siswa. Pengumpulan data dilakukan dengan tes tertulis berbentuk uraian sebanyak 5 soal pretest dan posttest. Dari hasil analisis data yang dilakukan yaitu analisis uji prasyarat yang terdiri dari uji normalitas dan uji homogenitas maka diperoleh data yang berdistribusi normal dan homogen. Uji t dilakukan dengan Independent Sample Test dengan hasil perhitungan uji t diperoleh bahwa terdapat pengaruh yang signifikan rata-rata nilai posttest kelas eksperimen sebesar 34,52 dan rata-rata nilai posttest kelas kontrol sebesar 26,63. Berdasarkan hasil uji t diperoleh bahwa thitung bernilai 4,453 sedangkan ttabel sebesar 1,998. Karena posttest yaitu dan sig. (2 tailed) < yaitu sehingga H0 ditolak dan Ha diterima yaitu terdapat pengaruh yang signifikan model pembelajaran Treffinger terhadap kemampuan pemecahan masalah matematis siswa di kelas VIII SMP Negeri 8 Pematangsiantar.
Model Pembelajaran Think Pair Share (TPS) Terhadap Kemampuan Pemecahan Masalah Matematis Yuly Christina Hutasoit; Lois Oinike Tambunan; Yoel Octobe Purba
Jurnal Pendidikan Sains dan Komputer Vol. 2 No. 02 (2022): Artikel Riset Periode Oktober 2022
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/jpsk.v2i02.1794

Abstract

Tujuan penelitian ini untuk mengetahui apakah terdapat pengaruh model pembelajaran Think Pair Share (TPS) terhadap kemampuan pemecahan masalah matematis siswa pada materi sisten persamaan linear tiga variabel. Penelitian ini menggunakan pendekatan penelitian kuantitatif. Jenis penelitian yang digunakan merupakan penelitian eksperimen bentuk quasi eksperimental. Salah satu dari desain quasi eksperimental yang akan digunakan yaitu nonequeivalent control group desain. Populasi dari penelitian ini adalah seluruh siswa kelas X SMA Negeri 2 Bandar tahun pelajaran 2022/2023 sebanyak 287siswa, adapun sampel dari penelitian ini diambil dua kelas yakni kelas X MIPA 2 sebagai kelas eksperimen dan X MIPA 1 sebagai kelas kontrol. Instrumen yang digunakan yaitu tes kemampuan pemecahan masalah matemati siswa sebanyak 5 soal. Setelah dilakukan perhitungan, diperoleh = 3,324 dengan taraf signifikan 0,05 maka diperoleh 1,995. Dengan demikian, diketahui > yaitu 3,234 > 1,995 sehingga diterima, ditolak. Dapat disimpulkan bahwa model pembelajaran Think Pair Share (TPS) terhadap kemampuan pemecahan masalah matematis siswa pada materi sistem persamaan linear tiga variabel.
Co-Authors Adi Putra Ginting Amin Fauzi, Amin Br Regar, Indryanti Saputri Br Ujung, Elisabet Pebrina Buana Maria Gultom Butar-butar, Afriani Canni Loren Sianturi Christa Voni Roulina Sinaga Damanik, Putri Sepriyanti Debora Caronika Agustria Rajagukguk Devi Fierda Situmorang Dwi Pratiwi Elisa, Tuti Elvis Napitupulu Eunike Juliani Lestari Sitanggang Gayus Simarmata, Gayus Golda Novatrasio Sauduran Gultom, Ardo Novandika Gultom, Binsar Tison Gusar, Martua Reynhat Sitanggang Handoco, Ewin Harianja, Derma Helen Ronauli Simanjuntak Hotman Simbolon Julius Martunas Sihite Lestary, Ayunda Lumban Toruan, Marlina Olivia Malau, Octo Laura manik, ria retno Marbun, Yanty Maria Marbun, Yanty Maria Rosmauli Maria Tamara Simangunsong Masni Veronika Situmorang Natalina Purba Pasaribu, Sunggul Pasaribu, Torop Marombun Purba, Yoel Octobe Qarin Khoirani Ramadani Ramadani Rebecca Anugrah Paskah Tambunan Retno, Ria Reydy A. Silalahi Rezesa Febiola Simanjuntak Rick Hunter Simanungkalit, Rick Hunter Sahat Saragih Sahat Sitompul Sauduran, Golda Novatrasio Siagian, Gunaria Siahaan, Theresia Monika Siallagan, Adi Yoshua Siallagan, Frengky Sianturi, Monalisa Frince Sidabutar, Ropinus Silalahi, Mastiur Verawaty Simajuntak, Merry Kristin Simamora, Rianita Simanjuntak, Hendra Simanjuntak, Paska Amoi Sinaga, Christa Voni Roulina Sinaga, Sanni Sirait, Debora Sitompul, Pardomuan Situmorang, Masni Veronika Siva Anastasia Munthe Tambunan, Janwar Tanjung, Sahima Rosana Tiur Yohana Tampubolon Vicky Ana Rebecca Sitompul Yan Verico Manik Yoel Octobe Purba YOEL OCTOBE PURBA Yoel Octobe Purba Yoel Octobe Purba Yuly Christina Hutasoit