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Journal : Jurnal Daya Matematis

Development Of Learning Aid To Improve The Understanding Of Mathematical Concepts Of Students With Visual Disabilities In Special Schools Part A (Slb A) Pure Work Ikhsan, Muhibbul; Simanjorang, Mangaratua M; Mukhtar, Mukhtar
Daya Matematis: Jurnal Inovasi Pendidikan Matematika Vol 12, No 3 (2024): Desember
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jdm.v12i3.68082

Abstract

This study aims to improve the understanding of Mathematics concepts through Geoboard learning media for students with visual disabilities at the SLB-A Karya Murni Education Foundation. This research was conducted at Yayasan Pendidikan SLB-A Karya Murni, which is one of the Junior High Schools (SMP) for students with visual disabilities in Medan City, North Sumatra. In this study using the type of R&D research refers to the ADDIE development model (Analysis, Design, Development, Implementation, Evaluation). The subjects in this study were seventh grade students of the SLB-A Karya Murni Education Foundation in the 2023/2024 academic year. The product draft in this study has been designed and then validated by 2 experts, namely Material Experts and Media Experts. The results of the initial stage validity test by material experts obtained an average percentage of 46.15% (Less Feasible), Stage two validity test by material experts obtained an average percentage of 88.46% (Very feasible), Stage one validity test by media experts obtained an average percentage of 47.5% (Less feasible), and Stage two validity test by media experts obtained an average percentage of 91.25% (Very Feasible). Understanding of concepts in mathematics learning is obtained from learning activities on flat building material, the results of which are effective assessment with a significant increase in learning outcomes with the category of Nominalised Gain index 0.67 <0.7 classified as (Moderate).This research produces a product in the form of learning media in the form of Geoboard. The Geoboard is feasible to use judging from the percentage obtained in each manufacturing process.
The Effect Of Problem-Based Learning Model On Students' Mathematical Representation Ability And Self-Confidence Pohan, Lisa Rahmadani; Mukhtar, Mukhtar; Simamora, Elmani
Daya Matematis: Jurnal Inovasi Pendidikan Matematika Vol 13, No 3 (2025): December
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jdm.v13i3.78576

Abstract

This study seeks to determine: (1) the effect of the Problem Based Learning model on students' mathematical representation skills, (2) its effect on students' self-confidence, (3) the effect of initial mathematical ability (High, Medium, Low) on students' mathematical representation skills, (4) its effect on students' self-confidence, and (5) the learning model's interaction with This study is quasi-experimental. This study included MAN 2 Model Medan grade XI students in the 2024/2025 even semester. The study included 34 students from class XI-F2 B, which used the Problem Based Learning model, and class XI-F2 C, which used the expository approach. Research data came from the Initial Mathematical Ability test, mathematical representation ability test, and student self-confidence questionnaire. The data analysis was two-way ANOVA. The data analysis showed that the Problem Based Learning model affected students' mathematical representation skills, self-confidence, and initial mathematical ability (High, Medium, Low). (5) The learning model and initial mathematical aptitude (High, Medium, Low) affect students' mathematical representation ability and self-confidence.
Co-Authors Abdal, Abdal Abdi Abdi, Abdi Abdul Roni, Rusli Adawiyah, Robi'Atul Ade Sofa Agung Setiabudi, Agung Ahmad Sobari AHMADI Ahyakudin, Ahyakudin Akbar, Muhammad Fajri Al Munawwarah, Rofiqah Alfiyanto, Afif Alisa, Nur Amaliah, Nur Andhika Andika, Fauziah Ansori, Surya Bayu Arestya, Deassy Aryansyah, Firman Asdaliah, Nur Asrulla, Asrulla AT, Muzdalifa Atika, Vebby Surya Awaluddin Hamzah Azhar Azhar Bagascary, Audra Ayu Betri Wendra Bina, Nuraini Sri Bornok Sinaga Bulandari, Rensi Chaerunnisa, Nida Chodidjah Makarim Dadan Ramdan Damanhuri Damin, Desri Asfrianti Darari, Muhammad Badzlan Darussyamsu, Rahmawati Dharma, Andika Dian Armanto Duyardin, Duyardin Dwi Hilda Putri Dwi Yuli Prasetyo Edy Surya Efendi, Sudian Faelasup, Faelasup Falendra, Randy Malik Faradilla Safitri, Faradilla Fathani, Sulthonah Zhafirah Fauzi, KMS Muhammad Amin Fauzi, Rayhan Nur Febriyani, Sarah Feria Andriana Putri, Feria Andriana Firdaus, Yusuf Firdaus, Yusuf Gafaruddin, Abdul Gusma, Gusma Gusti, Nurul Maulidyah Gusti Habi, Nuraida Fitri Habibie, M Fadly Habriansyah, Imran Hadi, Henrizal Hafniati, Hafniati Hamzah Hamzah Handayani, Kurnianingsih Hariki Fitrah Hartono Hartono Hasbi Umar Hasratuddin Hasratuddin Heryanto Heryanto Hidayat Hidayat Husnullail, Muhammad ifan ifan, ifan Ikhsan, Muhibbul Indah Juwita Sari Irmawati Irmawati Ismail Israil Sitepu Joni Devitra, Joni Junaidi, Roni Kadir Muhammad, Abdul Kasful Anwar Khairuddin - Khairuni Sirait, Agnes Alfi Khasanofa, Auliya Kuncoro, Danang Adi Kune, Syarifuddin La Ode Geo La Ode Jabuddin Lewi Lewi Mahmud MY Mahmud, Basri Marniati Marniati, Marniati Mazaly, Muhammad Rizky Muhammad Aswar Limi Muhammad Efendi Muhammad Muhammad Muhammad Ridwan Muhammad, Pauzi Muhyiatul Fadilah Mujahid Mujahid, Mujahid Mujibullah, Razmi Munawarah Munawarah, Munawarah Munawir Munawir Munirwan Zani, Munirwan Munte, Rita Sahara Mursid Mursid Mursyid Djawas Mustafa, Heriyanti Nasrullah Nasrullah Nasution, Hamidah . Nawawi, Kholil Nizar Nizar Nover, Fahrizal Novita Mangunsong, Sonia Arga Nur Aisyah Nur Rahmah Nur Sholfa Adilla Nuraenun, Nuraenun Pane, Ismail Pargaulan Siagian Permana, Nana Yudi Pohan, Lisa Rahmadani Purnama, Boby Yasman Purnama, Meira Dwi Indah Putri Anggraini R, Rahmat R. Ahmad Zaky El Islami Rahmadani, Adelia Rahmadhani Fitri Rahman Rahman Rahman Rahmawati, Rahmawati Rahmi Novalita Rahmi Rahmi Rakhmini Juwita Randi Muhammad Gumilang Rasydi, Ahyar Rauqillah, Dhiya Rahma Rezeki, Sahbainur Risnita Risnita Rizaldi Akbar Roza Mulyadi, Roza Rusmini Rusmini Saifullah, Muh Saripudin, Endang Septariani, Septariani Sibawaihi, Muhammad Sihotang, Ebtan Silalahi, Joshua Pandapotan Simamora, Elmani Simanjorang, Mangaratua M Simanjuntak, Sinta Dameria Simatupang, Julianto Sinta Maria, Sinta Sirajun Nasihin, Sirajun Siregar, Isropil Siregar, Rudi Siti Aminah Sofwatillah Sofwatillah, Sofwatillah Solandarika, Wulan Solihat, Iis Suhaimi Suhaimi Supardi Supardi Supu, Arif Rembang Suriana Suriana Suryana, Dede suryana, Dede Sutisna Sutisna Sutrawati, Sutrawati Syahputri, Anggi Anggraeni Julianti Syamsiar, Syamsiar Syamsuddin, Rahmawati Tanto Lailam Taufik Akbar Thontawi, M. Usman Usman Vicky Setia Gunawan Wahyudi Wahyudi Wahyudi, Jajang Wahyuni, Resma Wardatul Jannah, Wardatul Wasalmi, Wasalmi Yeni Widiastuti Zakaria, Gamal Abdul Nasir Zulkadrin, Zulkadrin Zulkifli Abdurrahman Usman Zulkiflih, Zulkiflih