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Ahmad Yani T

Pendidikan Matematika FKIP Universitas Tanjungpura

Author-ID : 421847

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Students' mathematical lateral thinking skills in creative problem-solving Yusmin, Edy; Yani T, Ahmad; Pasaribu, Revi Lestari; Fitriawan, Dona
Al-Jabar: Jurnal Pendidikan Matematika Vol 13 No 2 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v13i2.13231

This study aimed to examine students' mathematical lateral thinking skills in creative problem-solving, differences in subjects' answers based on the level of their study period, and factors that affect students' lateral thinking skills. The descriptive method was used in the form of an educational survey. The sampling technique used in this research was stratified random sampling. The research subjects were first, third, and fifth-semester students of Mathematics Education at FKIP Tanjungpura University in 2019. The data collection technique used was the "Paper-and-pencil Assessment," with the written test sheet adopted from the Mathematical Lateral Logic Test by Bruce Woodcock. The results showed that students' lateral mathematical thinking skills in creative problem-solving were in the poor category, with an average score of 9.39 out of 25. The results of statistical tests with a value of χ2 indicated that the answers to the subjects were different based on the level of study. The ability to recognize dominant ideas and the polarization of perception of the problem, and the ability to use other ideas are the dominant factors affecting the level of students' mathematical lateral thinking skills in all subject groups. In general, the way of thinking with formal logic or thinking vertically affected students' lateral thinking patterns.

Creating a diagnostic test to assess conceptual understanding of fraction operations Juwita, Dia Prima; T, Ahmad Yani; Yundari, Yundari
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.22680

Background: Fraction operations are fundamental in mathematics education, yet many students face challenges in mastering these concepts. Effective assessment tools are crucial for identifying areas of difficulty and guiding instructional improvements.Aim: This study aims to develop a diagnostic test to accurately measure the conceptual understanding of fraction operations among students in the Elementary School Teacher Education Program (PGSD) at STKIP Melawi.Method: Utilizing a research and development approach with mixed methods, this study follows Ebel's Model of Test Development. The process includes item selection, validation, and reliability testing, involving both qualitative and quantitative analyses.Results: The developed diagnostic test demonstrated strong validity and reliability metrics. Analysis revealed that students commonly struggle with both the conceptual and procedural aspects of fraction operations. Frequent errors were noted in the interpretation and execution of solution steps. No student achieved the highest possible score, indicating significant gaps in understanding. The N-Gain analysis showed an average score of 0.5610, suggesting medium to high effectiveness in identifying learning challenges, with individual scores ranging from 0.32 to 0.93.Conclusion: The diagnostic test developed in this study provides a robust tool for assessing the conceptual understanding of fraction operations. It highlights specific areas where students encounter difficulties, offering valuable insights for targeted instructional strategies. Integrating this diagnostic test into the curriculum can enhance the ability to diagnose and address learning obstacles, ultimately improving mathematics education outcomes.

A deep learning-based adaptive e-module in mathematics: Design and evaluation for visual communication design vocational students Feriyadi, Deri; Yani T, Ahmad; Tiur Maria, Haratua; Aunurrahman; Sujaini, Herry
Al-Jabar: Jurnal Pendidikan Matematika Vol 16 No 2 (2025): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v16i2.26718

Purpose: This study aims to design, implement, and evaluate a deep learning-based adaptive e-module to teach mathematical concepts. Specifically, the topic of optimum value to tenth-grade vocational students in the Visual Communication Design (DKV) program. The goal is to determine the module's feasibility, practicality, and effectiveness in improving students' problem-solving skills and learning motivation.Method: The research employed the ADDIE development model, consisting of five stages: analysis, design, development, implementation, and evaluation. Validation was carried out by three experts in education and technology. The product was tested on 36 vocational students, using instruments such as expert validation forms, Likert-scale questionnaires, pre- and post-tests, interviews, and classroom observations.Findings: Expert evaluations indicated high feasibility with scores ranging from 4.2 to 4.6. The average student score increased from 57.97 (pre-test) to 69.44 (post-test), while the standard deviation decreased from 11.315 to 8.914. A low correlation between pre- and post-test scores (r = –0.022; p = 0.899) suggests that the module was equally effective for students across different ability levels. Feedback from both teachers and students confirmed the module’s high practicality and engaging nature.Significance: The findings demonstrate that a deep learning-based adaptive e-module can enhance visual and contextualized mathematics learning for vocational students. It promotes conceptual understanding, learning motivation, and problem-solving skills regardless of initial performance. This study highlights the transformative potential of integrating artificial intelligence into instructional design, especially for creative-industry-focused education programs.

Pengaruh Pembelajaran dengan Pendekatan Realistic Mathematics Education (RME) Berintegrasi Teknologi terhadap Pemahaman Konsep Matematika pada Siswa Kelas VII SMP Labibah, Hanan; Yusmin, Edy; Pasaribu, Revi Lestari; T, Ahmad Yani; Mirza, Ade
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 9 Nomor 2 Tahun 2025
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v9i2.4152

Matematika secara luas dianggap sebagai mata pelajaran yang sangat memberatkan bagi siswa karena sifatnya yang abstrak dan kurangnya keterkaitan dengan konteks nyata dalam kehidupan sehari-hari. Untuk menjawab tantangan ini, penelitian ini menganalisis pengaruh penerapan Realistic Mathematics Education (RME) yang dipadukan dengan teknologi, khususnya video animasi berbasis Powtoon dan Lembar Kerja Siswa Elektronik (E-LKPD) melalui Liveworksheet, terhadap pemahaman konsep matematika siswa. Desain penelitian menggunakan metode quasi-eksperimen dengan model Nonequivalent Control Group. Partisipan terdiri atas 350 siswa kelas VII SMP Negeri 13 Pontianak yang dipilih melalui purposive sampling, dengan kriteria kelas berprestasi akademik lebih rendah. Kelas VII K ditetapkan sebagai kelompok eksperimen (menggunakan RME dan teknologi), sedangkan Kelas VII B sebagai kelompok kontrol (pembelajaran konvensional). Instrumen penelitian berupa tes sebelum dan sesudah perlakuan. Hasil pengujian statistik dengan independent samples t-test memperlihatkan perbedaan signifikan antara kedua kelompok (p = 0,04; p < 0,05), dengan keunggulan pemahaman pada kelompok eksperimen. Analisis effect size memperoleh nilai 0,69 (kategori sedang), membuktikan bahwa integrasi RME dan teknologi secara signifikan meningkatkan pemahaman konseptual matematika siswa. Temuan ini menegaskan urgensi inovasi pedagogis berbasis teknologi untuk mengatasi kesenjangan pembelajaran, khususnya dalam pendidikan matematika.

Pelatihan Peningkatan Keterampilan Belajar Peserta Didik Menggunakan Aplikasi Canva di Sekolah Perbatasan Indonesia-Malaysia Iwan Ramadhan; Imran Imran; Maria Ulfah; Stella Prancisca; Ahmad Yani T; Linda Linda; Uray Rosa Febrianti; Agung Wahyudi
Jurnal Pengabdian UNDIKMA Vol. 4 No. 3 (2023): August
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v4i3.8353

This service activity is to improve students' learning skills using the Canva application at SMA Negeri 1 Jagoi Babang, Bengkayang Regency (Indonesia â€“ Malaysia Border School). The method of implementing this service uses training and assistance in making products. The evaluation instrument uses survey percentages and is analyzed descriptively. The results of this service show that training activities using the Canva application provide positive benefits and impacts for students, where students can understand the Canva application as an application that can support it in learning activities. Students are able to use this application and produce output in the form of design products, one of which is presentation material.

Plickers Media to Boost 10th Graders’ Motivation and Performance through Number Head Together Cooperation Septiza; Ahmad Yani T; Nurfadilah Siregar; Edy Yusmin; Hamdani
Indonesian Journal of Educational Research and Review Vol. 8 No. 2 (2025): July-INPRESS
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ijerr.v8i2.89391

During mathematics lessons, most teachers still used limited teaching media, such as blackboards, that tended to be monotonous. This had an impact on low motivation and learning outcomes for students. This study analyzed the effect of implementing Plickers media in the NHT type cooperative learning model on student motivation and learning outcomes in class X. The type of this research was quasi experimental with a nonequivalent posttest only control group design, using a quantitative approach. All tenth-grade students were the population. The sample used purposive sampling, with class XC consisting of 33 students as the experimental class. Data collection instruments included non-test methods such as a learning motivation questionnaire with 18 statements and a learning outcome test consisting of 5 multiple-choice questions with varying difficulty levels. The questionnaire data were converted using the Method of Successive Interval, and the students' learning outcomes were analyzed using the t-statistical test after meeting the prerequisites of homogeneity and normality. The research showed that student motivation and learning outcomes in classes that implemented Plickers media in the NHT cooperative learning model were better than in classes without Plickers media. Thus, it was concluded that applying Plickers media in the NHT type cooperative learning model significantly impacted students' motivation and learning outcomes. This research implied that applying Plickers media in the NHT type cooperative learning model could be an alternative for teachers to enhance student motivation and learning outcomes.

KLARIFIKASI PERHITUNGAN MATEMATIKA MENGGUNAKAN APLIKASI I WARIS TERINTEGRASI HUKUM WARIS Nadya Febriani Meldi; T, Ahmad Yani; Bistari, Bistari; Sugiatno, Sugiatno; Nursangaji, Asep
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 9 No. 1 (2023): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v9i1.1540

Tulisan ini bertujuan untuk mendeskripsikan dan membandingkan perhitungan waris secara manual dengan bantuan aplikasi I-Waris sebagai sarana klarifikasi untuk melihat kembali permasalahan perhitungan perbandingan dalam hukum waris. Namun, ia tidak difokuskan untuk melatih kemampuan berpikir secara holistik sesuai dengan tujuan dari aplikasi ini dikembangkan. Untuk mencapai klarifikasi perhitungan manual, dilakukan dengan mengecek menggunakan aplikasi. Dalam penelitian ini, metode yang digunakan adalah deskriptif kualitatif yang digunakan untuk mengklarifikasi hasil perhitungan yang dibantu oleh aplikasi I-Waris dengan pekerjaan manual sesuai dengan ketentuan hukum waris. Perhitungan manual maupun klarifikasi menggunakan aplikasi memiliki kelebihannya tersediri. Uraian perhitungan manual yang dihasilkan menjadi rekomendasi untuk melatih kemampuan berpikir dan pemecahan masalah. Adapun penggunaan aplikasi lebih efektif dalam proses dan sangat membantu dalam memastikan kebenaran penghitungan. Dari dua permasalahan yang dibahas, koherensi hasil perhitungan manual maupun aplikasi diperoleh senilai.

Analisis Penggunaan Geogebra Berbantuan Chromebook untuk Memudahkan Siswa Memahami Konsep Matematika Materi Bangun Ruang Sisi Datar Kelas VIII Badaruddin, Badaruddin; Yani T, Ahmad
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 9 No. 2 (2023): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v9i2.1722

Artikel ini adalah penelitian kualitatif kepustakaan. Peneliti menggunakan metode kajian pustaka untuk mengumpulkan data kemudian menganalisis data yang terkumpul dengan menggunakan analisis isi. Tujuan dari penulisan ini adalah untuk membantu siswa dalam menggunakan aplikasi geogebra berbantuan chromebook sehingga siswa dengan mudah memahami konsep-konsep dalam pelajaran matematika yang bersifat abstrak. Penggunaan geogebra berbantuan chromebook harapannya siswa kelas VIII bisa mempunyai pemahaman konseptual yang baik pada materi bangun ruang sisi datar khususnya materi kubus dan balok, selain itu dengan menggunakan chromebook yang didalam nya terdapat aplikasi geogebra siswa lebih semangat dan termotivasi belajar matematika baik secara individu maupun kelompok karena sebelumnya siswa belum pernah menggunakan nya. Setelah menganalisis artikel terkait manfaat penggunaan Geogebra dalam pembelajaran matematika, ditemukan beberapa hasil signifikan yang diperoleh. Temuan ini, termasuk Geogebra memudahkan siswa untuk memahami geometri. Siswa juga cenderung lebih senang belajar geometri dengan menggunakan Geogebra yang dioperasikan dengan menggunakan computer atau chromebook.

Analisis Kemampuan Pemecahan Masalah Ditinjau dari Self-Efficacy Matematis: Studi pada Siswa Kelas VIII SMP SMP Negeri 16 Sungai Raya Anggraini, Wahyu; T, Ahmad Yani; Siregar, Nurfadilah; Meldi, Nadya Febriani
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 11 No. 1 (2025): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v11i1.3222

Problem solving skill is an essential component of mathematics learning. However, in reality, students's problem-solving skills are still low. Internal factors are among the causes that affect students in learning mathematics. One of these internal factors is mathematical self-efficacy. This study aims to examine mathematical problem solving skill in relation to the mathematical self-efficacy of eight-grade students at SMP Negeri 16 Sungai Raya on the topic of linear equations in two-variable. The method used in this research is qualitative descriptive, with data collection techniques including questionnaires, written tests, and interviews. The subjects of study consisted of 6 students representing each category of mathematical self-efficacy. The results indicate that students with high mathematical self-efficacy have very good problem-solving skills. Students with moderate mathematical self-efficacy demonstrate good problem-solving skills, although they have not maximally met all problem-solving indicators. Meanwhile, students with low mathematical self-efficacy exhibit less satisfactory problem-solving skills.

Pembelajaran Berdiferensiasi pada Pembelajaran Matematika: Sebuah Kajian Literatur Tomo, Tomo; T, Ahmad Yani; Siregar, Nurfadilah; Meldi, Nadya Febriani
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 11 No. 1 (2025): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v11i1.3238

This study discusses the understanding of differentiated learning in mathematics learning and its essence. The research method used is library research. Based on the results of the study, it was found that differentiated learning by paying attention to learning readiness, learning profiles, interests and talents of students is implemented to improve mathematical creative thinking skills. In addition, differentiated learning design as a solution to problems because it accommodates every student's needs and characteristics. In addition, the planned learning already includes differentiation of content, process, product, and learning environment so that efforts that can be made to overcome difficulties in learning mathematics, namely teachers can apply differentiated learning optimally.

Co-Authors Abd. Basith Abdul Rauf Bimantara Abnas, Arsweetha Van Ade Mirza Adi Ari Wibowo Adriana Nada Beta Afandi Afandi Agung Hartoyo Agung Wahyudi Agus Priyanto Agus Priyanto Agus Syahrani Agus Wartiningsih Agus Winarji Agustami Agustami Agustina Rezha Cantika AHMAD KHOLIQUL AMIN Ahmad Rizki, Ahmad Ana Amah, Dewi Mentari Ananda Rizky Amelia Anastasia, Witta Andi Muhammad Irfan Taufan Asfar Andrini, Vera Septi Anggi Pramita Anisa Novita Sari Anisyah Yuniarti Apriliyanti, Ignasia Arni, Sarah Asep Nursangaji Asmara, Adi Asriah Nurdini M. Aunurrahman Aunurrahman Aunurrahman Awaliyah, Ilka Nur Azmi Aqil Badaruddin Badaruddin Barita Riana Sitours Bistari Bung Lasario Pratama Cokong Cokong Cristina Lanteri Dede Suratman Desy Iryani Dia Prima Juwita Dian Ahmad BS Dian Ahmad Budhysatrya Dian Ahmad Budi Satria Dian Kurnianto Dian Kurnianto Dian Rahmawati Dina Anika Marhayani Dini Distari, Distari Dona Fitriawan Dyoty Auliya Vilda Ghasya Eddy Djunaedi Edy Tandililing Edy Yusmin Egy Purwanda Eka Ariyati Eka Murdani Eka Murdani, Eka Eka Pratiwi Eka, Firmina Emma Dafiana Erta, U Endar Sulistyowati Eni Veronika Eny Enawaty Erlina Erlina Ervi Mustika Erwina Oktavianty Evi Noviani Evianti, Tania Henita Fachry Abda El Rahman Febriani Meldi, Nadya Feriyadi, Deri Fikri, Khoirul Gunawan, Fransiskus Hendra Hafiz, Muhammad Iqbal Abdul Hakim, Djidan Hakim, Maida Sujana Halida Halida Halini - Hamdani Hamdani . Hamdani Hamdani Hamzah, Evandry Haratua Tiur Maria Silitonga Hartono Hasbi Perdinan Hendratmoko, Yayan Hengki, Marianus Hengky, Marianus Heriyanto Heriyanto Heriyanto Hermandra Hermawan Susanto Herry Sujaini Heru Gunawan Hodiyanto, Hodiyanto Husna Amalya Melati Husni Syahrudin Ida Ayu Putu Sri Widnyani Imran Imran Imran Imran Ira Lestari Irsandi Kusuma Ismiyani, Nining Ittihadi, Ses Muharman Iwan Ramadhan Iwit Prihatin Jamjemah, Jamjemah Juandi Juandi Junarti Junarti Juwita, Dia Prima Karim, Ajerin Karmilawati, Karmilawati Karolina, Venny Kartono, Kartono Kholifah, Siratul Kurnia Ningsih Kurnianto, Dian Kusuma, Irsandi Labibah, Hanan Laksono Trisnantoro Lely Shinta herawati Lestari Pasaribu, Revi Lestari, Meli Lidwina Beatrix Rinda Linda Linda Lucius Chih Huang Chang Luh Putu Ratna Sundari M. Nur Mustafa Mahmuda Sumarno Mahmuda Sumarno Mahmuda Sumarno Manora, Elsa Manuk, Herman Kaiser Mardian, Fauzy Mardiani Mardiani Maria Ulfah Maria Ulfah maria, meisy sella Marina, . Mariyam Mariyam Mariyam Mariyam Marlinda Marlinda Martin Martin Martin Suhendra Masriani . Maya Puspita Artasari Meldi, Nadya Febriana Meldi, Nadya Febriani Metia Novianti Misdah Misdah Mohamad Rif’at Mohammad Rif`at Monika Sari MUHAMMAD ANSHORI, MUHAMMAD Munaldus . Mutiara Ranum Rasdindra Mutiara Ranum Rasdindra MZN, Moestawa Nasya Maharani Azis Nasyrullah, Much Neti Esi Nia Kristiani Nindy Citroresmi P Nindy Citroresmi Prihatiningtyas Ningsih, Kurnia Novanto, Yogi Setya Noviah Dwi Putranti noviatni, metia Noviza, Trivanila Nur Afni Nuratifah, Stefania Nurfadilah Siregar Nurhayati Nurhayati Nurul Azkiya Paramida, Resmita Pasaribu, Revi Lestari Paternus Surya Dino Patmawati Patmawati, Patmawati Permanda, Saul Pitriani, Pitriani Pranata, Rio Prancisca, Stella Prasodjo, Bayu Priscilla Josierra Liora Purwanto, Zaene Alifia Putri, Olga Wira Putria, Sri R, Zubaidah. R. Sapto Hendri Boedi Soesatyo Rahman Haryadi Rahmat Jumri Rahmat Rasmawan Rahmawati, Melita Ramadhan, Akbar Rasdhakim, Mas Arifin RENDY PRATAMA Renni Dwi Wahyuni Revi Pasaribu Riama Al Hidayah Rif at, Muhammad Rika Wahyuni Rinda Kusmayanti Rindiani Rini Muharini Rini Setyowati Rody Putra Sartika Rogo, Inviolata Rohmah Pila Khoriyani Roisah, Siti Romal Ijuddin Romal Ijuddin Rosmaiyadi Rosmaiyadi Rosmaiyadi Rosmaiyadi Rosmaiyadi Rosmaiyadi Rostina Rostina Ruqiah Ganda Putri Panjaitan Rusmanda, Cicik Muspar Rustam Rustam Rustam Rustam Rusti Wulaningsih Sabila, Finanta Diva Safrianty, Nanny Santikarani, Otih Saparani, Abang Edi Saputra, Rachmat Sariyanti, Eka Sayaka Oikawa Seilendra, Pingkan Ramadhan Septiza Shinta, Olivia silvia sayu - Simin Simin Siregar, Nur Fadilah Siregar, Nurfadillah Siti Halidjah sri riyanti Stella Prancisca Sudiansyah Sudiansyah Sudiansyah Sudiansyah Sudiansyah Sudiansyah, Sudiansyah Sugiatno . Sugiatno Sugiatno Sulha Sulha Sulistyarini, Sulistyarini Sumarno, Mahmuda Sumiati Sumiati Syafitri, Kintan Salsabila Hasria Syahwani Umar Syf. Rizekia Zulaikha Assegaf Syofian, Syofan T, Hamdani Tenriawaru, Andi Besse TOMO Tomo Djudin Tomo Djudin Tomo, Tomo Toni, Muhammad Tsamara Banafsaj urai salam Uray Rosa Febrianti Utin Desy Susiaty Verawati Verawati Veronika, Eni Viktorianus Ipik Vonia Yulia Agustina Wahab Wahab Wahyu Anggraini, Wahyu Warneri . Widya Susanti Widya wati Widyasari, Lia Fitri Winarji, Agus Wulaningsih, Rusti Wullandari, Della Riski Yanto, Fransiskus yarso, Syaidianur Yasinta, Teodora Yayang Alfian Juwanto Yesaya Umeng Yesaya Umeng Yogi Setya Novanto Yogi Setya Novanto Yudi Darma Yulis Jamiah Yundari, Yundari Yuniarti Yuniarti Yunika, Veny Yusawinur Barella Zubaidah R Zubaidah R Zubaidah R, Zubaidah Zubaidah Zubaidah Zulfahita Zulfahita Zulhafizh Zulhafizh

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