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All Journal Journal of Education and Learning (EduLearn) Edumatsains Martabe : Jurnal Pengabdian Kepada Masyarakat Journal of Educational Research and Evaluation Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Range : Jurnal Pendidikan Matematika Al Jahiz: Journal of Biology Education Research Brillo Journal Jurnal Pengabdian Sains dan Humaniora Jurnal Pengabdian Pada Masyarakat International Journal of Didactic Mathematics in Distance Education
Candra Ditasona
Universitas Kristen Indonesia
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Penerapan Pendekatan Differentiated Instruction dalam Peningkatan Kemampuan Penalaran Matematis Siswa SMA Candra Ditasona
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 2 No 1 (2017): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v2i1.375

Abstract

This research is based on the problem of low mathematical reasoning ability of high school students. This study aims to examine the improvement of mathematical reasoning ability among students who get Differentiated Instruction approach and conventional learning. The research design was quasi experiment with non-equivalent control group research design using Purposive Sampling technique. Instruments used include mathematical prior knowledge test, mathematical reasoning tests, observation sheets, and interview guides. Quantitative analysis was performed by using t-test and two-way anova test. The result of the research shows that (1) the improvement of student’s mathematical reasoning ability through DI learning is better than conventional learning, (2) The improvement of student’s mathematical reasoning ability through DI learning is better than the students who follow the conventional learning in terms of Mathematical Prior Knowledge. Keywords: Differentiated Instruction, Mathematical Prior Knowledge, Mathematical Reasoning.
Kemampuan Berpikir Kritis Matematis Siswa: Studi dengan Model Probing-Prompting dan Konvensional Ninda Kristin; Candra Ditasona; Jitu Halomoan Lumbantoruan
Brillo Journal Vol 1 No 1 (2021): Implementasi Model Pembelajaran terhadap Kemampuan Matematis Siswa
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.583 KB) | DOI: 10.56773/bj.v1i1.7

Abstract

This study aims to determine how students critical thinking ability who study with probing-prompting and conventional learning models are. This research is a quantitatif research with a quasi-experimental design group. The research population was all students of class X SMK Setih Setio 2 Muara Bungo, Jambi. The research sample consisted of two classes with a sample size of 62 people determined by simple random sampling, namely X MM as the control class using the conventional learning model and X AK as the experimental class using the Probing-Prompting learning model. Requirements analysis test has been carried out so that the data obtained are not normally distributed and not homogeneous. The hypotheses were analyzed using the U-Mann Whitney test at a significant level of α=0,05. Based on data analysis and hypothesis testing, it was found that: (1) there were differences in students' critical thinking skills taught using probing-prompting and conventional learning models, and (2) there is an increase in students' critical thinking skills taught by using probing-prompting and conventional models.
Perbandingan Kemampuan Matematis Siswa dengan Pembelajaran Interaktif Setting Cooperative, Ekspositori, dan Problem-Based Learning Indah Pratiwi; Bitman Manullang; Candra Ditasona
Brillo Journal Vol 1 No 1 (2021): Implementasi Model Pembelajaran terhadap Kemampuan Matematis Siswa
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (282.951 KB) | DOI: 10.56773/bj.v1i1.8

Abstract

There is a decrease in mathematics learning achievement and teachers have difficulty in determining appropriate learning models and strategies in the online learning process. Therefore, this study aims to identify the comparison of mathematical abilities based on an interactive learning model setting cooperative, expository, and problem-based learning. This research is a quantitative research with a quasi-experimental type conducted in one of the high schools in Jakarta. The inferential analysis technique is divided into two, namely the normality test using the Chi-Square test and the homogeneity test using the Levene test in the SPSS calculation program. The hypothesis test used by the researcher used the one-way ANOVA test because it used 3 variables and the data used were normally distributed and homogeneous. Furthermore, the researchers continued the paired hypothesis test t test. The results of the t-test resulted in a cooperative setting interactive learning model with expository learning and problem-based learning models having a significant difference in average mathematical ability. Cooperative setting interactive learning with problem-based learning model has a significant difference in average mathematical ability. Meanwhile, expository and problem-based learning model does not have a significant difference in average mathematical ability.
Pemanfaatan Sumber Belajar yang Variatif: Pelatihan bagi Para Guru di SMP PGRI 2 Ciawi Santri Chintia Purba; Risma Uly Manalu; Stevi Natalia; Candra Ditasona
Jurnal Pengabdian Sains dan Humaniora Vol 2 No 2 (2023): Edisi Oktober 2023
Publisher : Fakultas Keguruan dan Ilmu Pendidikan-Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jpsh.2.2.2023.116-126

Abstract

Kondisi permasalahan yang dihadapi dalam pengabdian ini antara lain guru kesulitan dalam mencari dan menentukan sumber belajar yang cocok. Meskipun sumber belajar yang variatif tersedia, tidak semua guru memiliki pemahaman dan keterampilan yang cukup untuk memanfaatkannya secara efektif. Guru masih kurang akrab dengan teknologi atau kurang paham tentang cara mengintegrasikan sumber belajar tersebut ke dalam pembelajaran. Tidak semua sumber belajar yang tersedia memiliki kualitas yang sama, sumber belajar yang tersedia di internet mungkin saja tidak relevan atau tidak sesuai dengan tujuan pembelajaran yang akan dicapai. Oleh karena itu diperlukan pelatihan tentang pemanfaatan sumber belajar yang variatif bagi guru. Maka dalam hal ini, tim melakukan sharing knowledge bagi guru dan pembelajaran kepada siswa. Diskusi mencakup prinsip pembelajaran era zaman now, pembelajaran berbasis budaya, menggunakan edmodo dan kahoot. Melalui pelatihan dan pembelajaran yang dilakukan diperoleh bahwa: 1) Siswa menerima pembelajaran matematika yang menyenangkan; 2) Guru-guru mendapat penambahan ilmu dan wawasan baru mengenai penerapan IT dalam pembelajaran dan bagaimana tetap menekankan pemahaman konsep dengan memanfaatkan benda-benda sekitar siswa/i tersebut; 3) Guru-guru juga bisa menerapkan penggunaan pembelajaran online dengan menggunakan Edmodo dan Kahoot.
Optimalisasi Pembelajaran Daring Bagi Para Guru Di Yayasan Cawan Candra Ditasona
Jurnal Pengabdian Sains dan Humaniora Vol 2 No 2 (2023): Edisi Oktober 2023
Publisher : Fakultas Keguruan dan Ilmu Pendidikan-Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jpsh.2.2.2023.127-135

Abstract

Kondisi pandemic Covid-19 sangat memberikan dampak bagi pembelajaran di sekolah. Baik guru maupun siswa kesulitan dalam melaksanakan pembelajaran daring. Salah satu sekolah yang terdampak akibat pandemic Covid-19 adalah sekolah-sekolah dibawah naungan Yayasan Cawan. Kegiatan pengabdian ini bertujuan untuk membantu para guru dalam mengoptimalkan pembelajaran daring. Kegiatan pengabdian ini dilaksanakan secara daring pada tanggal 7 Agustus 2021. Peserta kegiatan berjumlah 53 orang yitu para guru dari TK hingga SMA.Untuk mengetahui keberhasilan program pengabdian masyarakat ini digunakan instrument angket. Data yang diperoleh dari instrument angket akan dianalisis secara deskriptif. Berdasarkan data yang diisi oleh 25 responden diperoleh kesimpulan bahwa pelaksanaan kegiatan pengabdian optimalisasi pembelajaran daring bagi para guru di Yayasan Cawan memiliki kebermanfaatan sangat tinggi atau sangat bermanfaat.
ANALYSIS OF STUDENTS' DIFFICULTIES IN SOLVING ALGEBRAIC OPERATION PROBLEMS BASED ON PROBLEM-SOLVING SKILLS IN GRADE VII AT SMP NEGERI 8 TAMBUN SELATAN Mayawi Farida; Hotmaulina Sihotang; Candra Ditasona
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 8 No 2 (2024): Januari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i2.5131

Abstract

This study aims to analyze the difficulties faced by students when solving algebraic operation problems based on the criteria of problem solving ability. This study was conducted to understand the factors that master students' difficulties in solving algebraic problems. This research used descriptive method with qualitative approach. The research subjects consisted of 35 students of class VII-G at SMP N 8 Tambun Selatan. Data were collected through observation, tests, questionnaires, and documentation. Data analysis used the Miles and Huberman data analysis model. Data validity was checked through method tringulation. The results showed that of the 35 students studied: 1) 61% of students had difficulty in understanding the problem, 2) 57% of students had difficulty in planning the solution, 3) 73% of students had difficulty in carrying out the plan, and 4) 86% of students had difficulty in checking back. The main factors that influence these difficulties are students' understanding of basic algebraic concepts, difficulties in applying mathematical concepts to the algebraic context and underdeveloped problem solving skills. In understanding math problems and formulating the steps needed to solve them, students often face difficulties.
NUMERICAL ANALYSIS OF HOME OWNERSHIP LOANS BANK INTEREST RATES IN INDONESIA WITH NEWTON'S INTERPOLATION METHOD Bela Desy Natalia; Candra Ditasona; Ruth Ririn Vania; Kornelius Anugrah Zebua
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 8 No 2 (2024): Januari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i2.5584

Abstract

The demand of the Indonesian society to own homes and properties is increasing along with the growth of Indonesia's population. This has led to an increase in population density, causing property prices to rise. The way to own property or a house in accordance with monthly income is by using bank housing loans. Three Indonesian banks renowned for housing loan applications, namely BTN, Mandiri, and BSI, were selected as samples in this study. These three banks have their own advantages and different bank interest rates. Therefore, this research was created as a tool for consumers to make decisions by considering the advantages obtained when applying for a loan at one of the three banks. This study employs the Newton's interpolation method to generate formulas that can help solve consumer problems. The results of this study generally indicate that Mandiri bank has an advantage in terms of lower installment costs compared to BTN and BSI.
Sosialisasi Media Digital untuk Menganalisis Minat Kewirausahaan pada Siswa SMAN 1 Jonggol Sianturi, Manogari; Simanjuntak, Familia Novita; Simbolon, Kerdid; Sunarto, Sunarto; Ditasona, Candra; Tugelida, Nel Bryan C
Jurnal Pengabdian Pada Masyarakat Vol 9 No 4 (2024): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v9i4.1265

Abstract

Pada era perkembangan teknologi, perubahan dalam dunia kerja terjadi dengan sangat cepat. Banyak pekerjaan yang sebelumnya konvensional kini digantikan oleh teknologi atau otomatisasi. Hal ini mendorong dilakukannya kegiatan pengabdian kepada masyarakat untuk menganalisis minat siswa dalam berwirausaha serta memberikan edukasi dan keterampilan yang dibutuhkan agar mereka dapat memanfaatkan media digital secara maksimal. Dengan mengajarkan wirausaha sejak dini, diharapkan peserta dapat lebih siap beradaptasi dan menciptakan peluang kerja sendiri, bukan hanya bergantung pada pekerjaan konvensional. Kegiatan ini diikuti oleh 52 peserta dari SMA Negeri 1 Jonggol dan diselenggarakan dalam bentuk sosialisasi yang melibatkan pakar wirausaha dari Don Mariano Marcos Memorial State University (DMMSU). Metode yang digunakan adalah ceramah dan diskusi, dengan tiga tahapan, yaitu: persiapan, pemberian materi, dan diskusi. Hasil sosialisasi menunjukkan bahwa lebih dari 60% peserta mengalami peningkatan pemahaman tentang pentingnya literasi digital, kemampuan memanfaatkan media digital, dan cara menggunakan media tersebut. Selain itu, lebih dari 45% peserta menunjukkan minat untuk berwirausaha. Secara keseluruhan, kegiatan ini berjalan sukses dan memberikan dampak positif bagi peserta. In the era of technological development, changes in the world of work are happening very quickly. Many jobs that were previously conventional are now replaced by technology or automation. This encourages community service activities to analyze students' interest in entrepreneurship and provide the education and skills needed so that they can make the most of digital media. By teaching entrepreneurship from an early age, it is hoped that participants can be better prepared to adapt and create their own job opportunities, not just relying on conventional jobs. This activity was attended by 52 participants from SMA Negeri 1 Jonggol and was held in the form of socialization involving entrepreneurial experts from Don Mariano Marcos Memorial State University (DMMSU). The method used was lecture and discussion, with three stages, namely: preparation, material delivery, and discussion. The results of the socialization showed that more than 60% of participants experienced an increased understanding of the importance of digital literacy, the ability to utilize digital media, and how to use the media. In addition, more than 45% of participants showed interest in entrepreneurship. Overall, this activity was successful and had a positive impact on the participants.
SOSIALISASI MEDIA DIGITAL UNTUK MEMBANGUN JIWA KEWIRAUSAHAAN SISWA SMAN 1 JONGGOL Han Nio, Tan; Daniel, Stepanus; Rian Nugroho, Andreas; Metallica, Christina; Novita Simanjuntak, Familia; Ditasona, Candra; Bryan C Tugelida, Nel
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 8, No 2 (2025): MARTABE : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v8i2.648-654

Abstract

Pelaksanaan kegiatan sosialisasi media digital untuk membangun jiwa kewirausahaan siswa di SMA Negeri 1 Jonggol bertujuan untuk membangun jiwa kewirausahaan siswa. Metode yang digunakan dalam sosialisasi ini adalah metode ceramah dan diskusi. Hasil dari pelatihan ini memberikan manfaat yang sangat besar untuk siswa. Setelah dilakukan sosialisasi dan didapatkan hasil kuisioner yang terdiri dari 6 pernyataan, menunjukkan pentingnya sosialiasi ini. Pernyataan 1 didapatkan sebanyak 95% peserta setuju dengan pernyataan ini dan menunjukkan bahwa peserta mengerti pentingnya membangun bisnis digital. Pada pernyataan 2 didapatkan bahwa 100% peserta setuju. Hal ini menunjukkan bahwa kegiatan sosialisasi ini menambah rasa tertarik siswa dalam berwirausaha.  Pernyataan 3 didapatkan bahwa sebanyak 100% setuju dan memiliki rasa ingin tahu berhubungan dengan kewirausahaan berbasis digital. Pernyataan 4 menunjukkan sebanyak 36% menyatakan sangat setuju kemudian 29% menyatakan setuju, 31% menyatakan cukup pada pernyataan ini dan dapat disimpulkan bahwa sekitar 96% peserta siap memulai langkah pertama membangun bisnis digital. Pada pernyataan 5 sebanyak 42% menyatakan sangat setuju, kemudian 33% menyatakan setuju, 23% menyatakan cukup setuju dengan pernyataan ini. Pernyataan 6 diperoleh sebanyak 92% peserta sudah memiliki ide dan rencana untuk membangun bisnis digital, hanya tinggal menunggu waktu untuk menerapkan dalam kegiatan wirausaha. Karena hasil yang didapat tersebut, maka secara keseluruhan kegiatan ini berjalan dengan baik dan mampu membangun jiwa kewirausahaan siswa di SMA Negeri 1 Jonggol.
Learning Obstacle to Ontogeny of Mathematics Teacher Candidates on Number Theory Natalia, Stevi; Darhim; Kusumah, Yaya S.; Ditasona, Candra
Journal of Education Reseach and Evaluation Vol 7 No 3 (2023): August
Publisher : LPPM Undiksha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jere.v7i3.66629

Abstract

Prospective mathematics teachers must have the characteristics of mathematical science, namely systematic, logical, and critical. This study aims to reveal the analysis of learning obstacles experienced by prospective mathematics teachers in number theory lectures with sub-material of division relations, FPB and KPK. This research uses a qualitative approach method in descriptive form. This research was conducted by collecting data through questionnaires and interviews and validated using the triangulation method. The study was limited to the analysis of ontogenic learning obstacles according to Brosseasu. The results of this study were that 4 out of 6 research subjects experienced the occurrence of ontogenic learning obstacles with details of 37.5% of prospective teacher students experiencing psychological ontogenic obstacles and instrumental ontogenic obstacles, then 25% experiencing didactic ontogenic obstacles. This indicates that students' readiness to take part in number theory courses is still weak. Students are weak in terms of psychological readiness, weak in readiness for complete mastery of related material previously studied and weak in terms of following the thought process needed in this course.
Co-Authors Aneliana, Aneliana Angelia Patricia Situmorang Ayu ArthaSari Beangelita Napitupulu Bela Desy Natalia Bintang Pratama Bitman Manullang Bryan C Tugelida, Nel Dameria Sinaga Daniel, Stepanus Darhim Darhim Elferida Sormin Familia Novita Simanjuntak Han Nio, Tan Hendrikus Male, Hendrikus Hotmaulina Sihotang HOTMAULINA SIHOTANG Indah Pratiwi Junsay, Merle Kerdid Simbolon Kornelius Anugrah Zebua Kristina, Nugra Heni Kusuma, Yaya S. Lumbantoruan, Jitu Halomoan Manogari Sianturi Martadiputra, Bambang Apiv Priatna Mayawi Farida Melda Simorangkir, Melda Merle L. Junsay Merley Junsay Metallica, Christina Nenden Suciyati Sartika Ninda Kristin Novita Simanjuntak, Familia Pardosi, Deborah Purba, Santri Chintia Rene Estomo Rene T Estomo Rian Nugroho, Andreas Riska Septia Wahyuningtyas Risma Uly Manalu, Risma Uly Ruth Ririn Vania Ruth Yuni Kartika Safitri, Mia Millawaty Santri Chintia Purba Santri Chintia Purba Santri Chintia Purba Santri Chintya Purba Setiawan, Laurencia Firstania Sianturi, Manogari Simbolon, Rido Siregar, Jeny Sri Rejeki Ignasia Sitohang Stevi Natalia Sunarto Sunarto Susilo Susilo Tampubolon, Monica Noviyanti Tugelida, Nel Bryan C Yaya S. Kusumah