Article Per Year (5 Year)
p-Index From 2021 - 2026
2.419
P-Index
This Author published in this journals
All Journal Journal of Honai Math Jurnal Kreativitas PKM Jurnal Ilmiah Mandala Education (JIME) JUPE : Jurnal Pendidikan Mandala Jurnal Perspektif ScienceEdu : Jurnal Pendidikan IPA Journal of Education Research Jurnal Riset sosial humaniora, dan Pendidikan (Soshumdik) Jurnal Informatika dan Teknologi Pendidikan Science and Technology: Jurnal Pengabdian Masyarakat
Happy Lumbantobing, Happy
Universitas Cenderawasih
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Economics, Econometrics & Finance Education Engineering Health Professions Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

Published : 17 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 17 Documents
Search

 1   2 
Difference Results Study Mathematics And Activity Study Using Learning Models Cooperative Type Teams Games Tournament (TGT) and Numbered Heads Together (NHT) on Material Operation Count Algebra Ashari, Mila Dwi Nanda; Lumbantobing, Happy; Hadiyanti, Yosefin Rianta; Kho, Ronaldo; Sitepu, Rina Ananta
JUPE : Jurnal Pendidikan Mandala Vol 10, No 2 (2025): JUPE : Jurnal Pendidikan Mandala (Juni)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jupe.v10i2.8807

Abstract

This study aims to investigate the disparities in mathematics learning outcomes of students instructed through the Teams Games Tournament (TGT) and Numbered Heads Together (NHT) cooperative learning methods concerning algebraic arithmetic operations. The study was conducted at SMP Muhammadiyah Jayapura. This research employs an experimental design using counterbalancing. The study population comprised class VII of SMP Muhammadiyah Jayapura during the 2024/2025 academic year, with the research sample consisting of classes VII-B and VII-C, each containing 34 pupils. The sample selection employed a purposive sampling method. Data on learning outcomes were obtained through a validated assessment instrument. We analyzed the pretest and posttest scores to derive normalized learning outcome values (N-gain). Due to the non-normal distribution of the data, we evaluated the N-gain value using non-parametric statistics via the Wilcoxon test. The study's results showed a significant difference in learning outcomes between the Teams Games Tournament (TGT) and Numbered Heads Together (NHT) cooperative learning models, with a sig. ρ value of 0.401, which is higher than 0.05. The mean N-gain value in Teams Games Tournament (TGT) (0.93) surpassed the mean N-gain value of Numbered Heads Together (NHT) (0.92). The study's results indicated that student engagement in learning through the Numbered Heads Together (NHT) method surpassed that of the Teams Games Tournament (TGT) model. The disparity in activity was substantial according to the Wilcoxon test, with a significance level of sig. ρ = 0.705.
Implementation of Differentiated Learning Content Based on Learning Readiness on the Material of the Sine Rule in Grade XI of Senior High School Siringoringo, Putri Violenta; Napitupulu, Bettisari; Panjaitan, Agnes Teresa; Lumbantobing, Happy; Hadiyanti, Yosefin Rianita
JUPE : Jurnal Pendidikan Mandala Vol 10, No 2 (2025): JUPE : Jurnal Pendidikan Mandala (Juni)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jupe.v10i2.8896

Abstract

This research is a descriptive qualitative research that aims to describe the implementation of content differentiated learning based on students' learning readiness on Sine Rule material in class XI-7 SMA Negeri 1 Jayapura. The subjects of this study amounted to 34 students who were selected using purposive sampling technique.  The instruments used include teaching modules, diagnostic assessments, teacher observation sheets and individual tests. Before learning, a diagnostic assessment was conducted to categorize students into three categories of learning readiness, namely low, medium and high. The assessment results showed that the learners were divided into 7 groups: 3 low groups, 2 medium groups, and 2 high groups. The implementation of content differentiated learning based on the assessment results went very well. This is shown by the results of teacher observation by the math teacher observer of 88.175% and by the co-researcher of 90.625%, both of which are included in the excellent category. The individual test results showed that 30 out of 34 learners reached the Minimum Completion Criteria (KKM), while the 4 learners who were not complete came from groups with low learning readiness.  
Analysis Of Mathematical Problem Solving Errors Reviewed From Students' Learning Independence After Implementing The Guided Discovery Learning Model Using Digital Books Khadijah, Mutiara; Mulyono; Fauzi, Kms. M. Amin; Lumbantobing, Happy
Jurnal Riset Sosial Humaniora dan Pendidikan Vol. 4 No. 2 (2025): Juni : Jurnal Riset Sosial Humaniora, dan Pendidikan
Publisher : LPPM Universitas 17 Agustus 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/soshumdik.v4i2.2711

Abstract

This study looks at 1) the typical math problem-solving mistakes students make using the Newmann procedure after learning with digital books through guided discovery, 2) errors related to how independent students are in their learning, and 3) how independent students are in their learning after using the guided discovery model. Analysis is descriptive in this research. This research included SMPS Dharma Patra grade VIII students. Data analysis indicated that 1) students made the most errors in solving mathematical problems-solving problems based on the Newmann procedure after the guided discovery learning model using digital books was applied: high-category students made encoding errors, and medium-category students made process skill errors and writing errors. 2) Moderate learning independence pupils make 20% transformation mistakes, 80% process skill errors, and 90% writing errors. Students with limited learning independence make 66.67% comprehension errors, 77.78% transformation errors, 100% process skill errors, and 100% final response writing errors. In addition, 36.67% of high-learning independence kids satisfied all criteria. Moderate learning independence students meet four to five markers at 33.34%. Low learning independence students meet one to three markers at 30%.
Ethnomathematical Exploration of Numeration Systems: The Mee Tribal Indigenous Community Ruamba, Marthinus Yohanes; Kho, Ronaldo; Lumbantobing, Happy; Edoway, Naftali
ScienceEdu Vol. 8 No. 1 (2025)
Publisher : Program Studi Pendidikan IPA FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/se.v8i1.53688

Abstract

This study aims at documenting and analyzing the traditional number system of the Mee tribe in Papua within an ethnomathematics framework. Papua is a cultural well with the numeral system reflecting the values of the culture and the social structure of the society. Such integration of culturally based mathematical concepts with the help of the ethnometematic approach might be theoretically expected to enhance mathematical learning, relevant from a cultural point of view. Qualitative research with participatory observation, in-depth interviews, and artifact analysis was carried out in Sentani-Sereh. From the research, it can be said that the uniqueness of the combination between single and decimal numbers can indicate the structure of the Mee Tribe culture. This system shows a possibility for implementation in culture-based learning. This documentation leans more towards cultural preservation efforts, enriching the literature of ethno-mathematics and recognizing traditional knowledge, which is part of cultural heritage and needs to be preserved in the wave of modernization
Implementation of the Guided Discovery Learning Model Assisted by Parachute Teaching Aids on the Material of Relationships Between Angles Sari, Annisa Kurnia; Tandililing, Pitriana Yohanes; Sirampun, Elsi; Lumbantobing, Happy; Ruamba, Marthinus Yohanes
JUPE : Jurnal Pendidikan Mandala Vol 10, No 3 (2025): JUPE : Jurnal Pendidikan Mandala (September)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jupe.v10i3.8951

Abstract

This research is a descriptive qualitative research. The subjects of this research were 31 students of class VII A of SMP YPPK Santu Paulus Abepura. The selection of subjects used the purpose sampling technique. The research instruments used were individual tests, teacher observation sheets and student observation sheets. This study aims to describe the implementation of the guided discovery learning model on the material of relationships between angles assisted by parachute teaching aids (line and angle boards) in class VII A of SMP YPPK Santu Paulus Abepura. Based on the results and discussion of the learning process by applying the guided discovery learning model on the material of the relationship between angles assisted by parachute teaching aids (line and angle boards) has gone very well. This is shown in the results of observations and individual tests falling into the very good category with the percentage of teachers in applying the guided discovery learning model of 97.89%, student activity of 94.21%, and an average individual test score of 92.74. By applying the guided discovery model to the material of the relationship between angles assisted by parachute teaching aids, students can become active and motivated in participating in mathematics learning.
Persepsi Guru, Orang Tua, Dan Siswa Terhadap Pelaksanaan Pembelajaran Online Pada Mata Pelajaran Matematika Kandari, Vichy Putra; Lumbantobing, Happy; Hadiyanti, Yosefin Rianita
Jurnal Ilmiah Mandala Education (JIME) Vol 9, No 1 (2023): Jurnal Ilmiah Mandala Education (Januari)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jime.v9i1.4670

Abstract

Penelitian ini mengkaji tentang bagaimana persepsi guru, orang tua, dan siswa terhadap pelaksanaan pembelajaran online pada mata pelajaran matematika di kelas VII SMP YPPK Santu Paulus Abepura. Penelitian ini dilakukan menggunakan metode penelitian deskriptif kualitatif. Subjek penelitian ini berjumlah 16 orang yang terdiri dari 4 guru matematika, 6 orang tua siswa, dan 6 orang siswa kelas VII. Subjek penelitian dipilih menggunakan teknik purposive sampling dengan menggunakan kriteria inklusi dan kriteria eksklusi. Teknik pengumpulan data menggunakan wawancara dan dokumentasi. Hasil penelitian menunjukkan terdapat dua persepsi yang muncul yaitu persepsi positif dan persepsi negatif. Persepsi positif berkaitan dengan faktor komponen pendukung seperti infrastruktur (perangkat keras), aplikasi (perangkat lunak), konten, dan operator (orang yang mengoperasikan suatu aplikasi). Selain faktor komponen pendukung, persepsi positif juga berkaitan dengan siswa aktif dalam pembelajaran online, adanya pendampingan orang tua kepada siswa, terdapatnya dampak positif, dan adanya manfaat terhadap pelaksanaan pembelajaran matematika secara online. Sedangkan persepsi negatif berkaitan dengan faktor penghambat dan dampak negatif pada pembelajaran online. Faktor penghambatnya yaitu gangguan jaringan dan guru kesulitan dalam memantau siswa saat pembelajaran online sedang berlangsung, serta dampak negatif pada pelaksanaan pembelajaran online yaitu siswa lebih banyak bermain game dibandingkan dengan belajar matematika secara online dan kesehatan pada siswa terggangu karena harus selalu berada di depan layar handphone atau laptop.
Etnomatematika Sentani sebagai Sumber Pembelajaran Matematika Sekolah (Eksplorasi Bentuk Kenda Kampung Abar Sentani) Nuraini, Dini Rahmatun; Kho, Ronaldo; Wahyudi, Irfan; Lumbantobing, Happy; Napitupulu, Bettisari
Journal of Education Research Vol. 5 No. 4 (2024)
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37985/jer.v5i4.1410

Abstract

Dalam Bahasa sentani sendiri wadah dari tanah liat ini disebut dengan istilah “Kenda”. Pembuatan kerajinan wadah dari tanah liat yang disebut dengan kenda ini sudah ada sejak dahulu, Kerajinan kenda atau biasa orang menyebutnya gerabah diperkenalkan oleh nenek moyang marga Felle dari suku Assatouw. Penetilian ini merupakan penelitian kualitatif dengan pendekatan etnografi. Tujuan dari Penelitian ini adalah untuk melakukan eksplorasi dan pengkajian mengenai aktivitas etnomatematika, serta unsur-unsur matematika yang terhadap pada bentuk kenda kampung Abar Sentani. Pengumpulan data yang digunakan dalam penelitian ini adalah peneliti sendiri sebagai instrument utama dan terdapat instrument pendukung berupa pedoman observasi dan pedoman wawancara. Wawancara dilakukan terhadap tiga orang informan yaitu satu kepala kampung Abar Sentani dan dua masyarakat pengerajin kenda kampung Abar Sentani. Hasil penelitian menunjukkan bahwa terdapat aktivitas etnomatematika pada bentuk-bentuk kenda kampung Abar Sentani. Unsur-unsur matematika yang terdapat pada bentuk-bentuk kenda kampung Abar yaitu lingkaran, oval, persegi panjang, trapesium, tabung. dengan berbagai bentuk kenda atau gerabah asli kampung Abar tersebut dapat memberikan pemahaman terhadap konsep geometri. Hasil penelitian ini dapat digunakan untuk mengembangkan perangkat pembelajaran matematika di sekolah.
Co-Authors Ashari, Mila Dwi Nanda Bela, Sisilia Lidya Bella Kharisma, Bella Bettisari Napitupulu Chandra Sri Ubayanti, Chandra Sri Dewi Kristika Findia Ning Tyas Diyah Astuti Nurfa'izah Edoway, Naftali Edy Surya Evy Pujirahayu, Evy Fauzi, Kms. M. Amin Gatot Sugondo, Gatot Hadiyanti, Yosefin Rianta Hayati Wear, Hayati Hayati, Nina Hotnida Erlin Situmorang Ingred Mary Tandi Bua, Ingred Mary Tandi Irfan Wahyudi Ismail, Mirnawati Kandari, Vichy Putra Khadijah, Mutiara Korinus Suweni Maginta , Marchelina Mayor M.H. Manurung Mulyono Mulyono Mulyono Nuraini, Dini Rahmatun Panjaitan, Agnes Teresa Pitriana Tandililing Riska Yulianti, Riska Ronaldo Kho Ruamba, Marthinus Yohanes Salmiati Salmiati, Salmiati Sari, Annisa Kurnia Sinaga, Dewi Lestari Sirampun, Elsi Siringoringo, Putri Violenta Sitepu, Rina Ananta Solihati, Titi Suprojo D S, Suprojo D Tandililing, Pitriana Yohanes Triwiyono - Yosefin Rianita Hadiyanti Yunita Kristina