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All Journal Union: Jurnal Ilmiah Pendidikan Matematika JMM (Jurnal Masyarakat Mandiri) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan JRAK (Jurnal Riset Akuntansi dan Bisnis) (e-Journal) Maslahah: Jurnal Pengabdian Masyarakat Bulletin of Management and Business Jurnal Manajemen dan Penelitian Akuntansi (JUMPA) DFAME Digital Financial Accounting Management Economics Journal Setawar Abdimas Journal of Economic Empowerment Strategy (JEES) Jurnal Archipelago Madaris: Jurnal Guru Inovatif
Nur Izzati
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Students' mathematical representation ability in solving contextual problems on circle material Saputri, Distya Haerani; Izzati, Nur; Siregar, NurAsma Riani
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 3 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i3.15697

Abstract

This study aimed to describe students' mathematical representation ability in solving contextual problems on circle material. The approach used is a qualitative approach with a descriptive research type. The research subjects came from class VIII B SMP Negeri 15 Tanjungpinang and were selected from as many as eight students. Data collection was done through test techniques and semi-structured interviews. The research findings show that students have different mathematical representation abilities. Students with very high mathematical representation ability categories can master three mathematical representation indicators (visual, mathematical equations or expressions, and written words or text). Students with high categories are only able to master two indicators (visual and mathematical equations or expressions), students with medium categories are only able to master one indicator (visual or mathematical expressions), and students with fewer categories are not able to master all three mathematical representation indicators. The tendency of students to master the indicators of mathematical equations or expressions well is due to being able to use mathematical connection skills well.
Lulur dari limbah kopi : solusi tepat guna pemanfaatan sisa ampas kopi sebagai antioksidan Ulfa, Rodhia; Fadhilah, Mauizah; Khairi, Ikhwanul; Zulfa, Maulida; Berliana, Melinda; Surya, Natasya; Nurul, Nida; Rahma, Novia; Fadhilah, Nur; Hafizah, Nur; Izzati, Nur
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 10, No 1 (2026): February (In Progress)
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v10i1.37672

Abstract

AbstrakPeningkatan konsumsi kopi di masyarakat, terutama di Kota Pekanbaru, menyebabkan meningkatnya jumlah limbah ampas kopi yang berpotensi mencemari lingkungan karena menghasilkan gas metana. Namun, ampas kopi mengandung senyawa bioaktif seperti kafein dan asam klorogenat yang memiliki aktivitas antioksidan dan antiinflamasi sehingga berpotensi dimanfaatkan sebagai bahan perawatan kulit alami. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk memberdayakan ibu-ibu PKK Kelurahan Tobekgodang melalui penerapan teknologi tepat guna dalam pemanfaatan limbah ampas kopi menjadi produk lulur antioksidan. Metode pelaksanaan meliputi sosialisasi, edukasi kesehatan kulit, demonstrasi pembuatan lulur dari ampas kopi, praktik langsung, serta evaluasi melalui kuesioner pre-test dan post-test. Hasil kegiatan menunjukkan adanya peningkatan signifikan pada pengetahuan masyarakat, dengan kategori pengetahuan baik meningkat dari 8% menjadi 88% (p < 0,05). Kegiatan ini berhasil meningkatkan kesadaran dan keterampilan masyarakat dalam mengolah limbah menjadi produk bernilai guna, sekaligus membuka peluang usaha kecil berbasis bahan alami yang ramah lingkungan. Program ini diharapkan berlanjut sebagai model pemberdayaan masyarakat menuju ekonomi kreatif dan berkelanjutan. Kata kunci: ampas kopi; antioksidan; lulur; teknologi tepat guna; pemberdayaan masyarakat. AbstractThe increasing coffee consumption in society, particularly in Pekanbaru City, has led to a rise in coffee waste, which can harm the environment due to methane gas emissions. However, spent coffee grounds contain bioactive compounds such as caffeine and chlorogenic acid that exhibit antioxidant and anti-inflammatory properties, making them potential natural ingredients for skin care. This community service program aimed to empower members of the PKK women’s group in Tobekgodang Village through the application of appropriate technology in processing coffee waste into antioxidant body scrub products. The activities included socialization, health education, demonstration, hands-on training, and evaluation using pre-test and post-test questionnaires. The results showed a significant improvement in participants’ knowledge, with the “good” knowledge category increasing from 8% to 88% (p < 0.05). The program effectively enhanced community awareness and skills in utilizing waste materials into value-added products, while also creating opportunities for small-scale, environmentally friendly businesses. It is expected that this initiative will serve as a sustainable community empowerment model supporting creative and green economic development. Keywords: coffee grounds; antioxidant; body scrub, appropriate technology, community empowerment.
Pengaruh Pembelajaran Klasikal terhadap Asesmen Kognitif dengan Motivasi sebagai Variabel Moderasi pada Pembelajaran Mesin CNC SMK Negeri 3 Tanjungpinang. Fitrinaldi, Fitrinaldi; Encik Abdulhajar; Samsul Hadi; Desi Rahmatina; Nur Izzati; Leni Aria
Jurnal Archipelago Vol 4 No 01 (2025): Jurnal Archipelago
Publisher : Badan Perencanaan, Penelitian dan Pengembangan Pemerintah Provinsi Kepulauan Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69853/ja.v4i01.148

Abstract

Abstrack : This study analyzes the effectiveness of classical learning methods on students' cognitive assessments, considering the role of motivation as a moderating variable. This study uses a quantitative experimental design on students from SMK Negeri 3 Tanjungpinang. The research results indicate that classical learning has an insignificant negative impact on students' cognitive assessment. Student motivation shows a significant impact, both directly and through interaction with cognitive assessment, substantially improving learning outcomes. An R Square value of 97.9% indicates that the variation in cognitive assessment is predominantly explained by the motivation variable and its interactions. These findings underscore the importance of designing learning experiences that consider motivational factors to enhance student engagement and performance. A contextual approach based on technology and adaptive strategies is recommended to address the limitations of classical methods in improving cognitive outcomes. Keywords: Classical learning, student motivation, cognitive assessment, vocational education, adaptive strategies.
Co-Authors Adilatu, Muhamad Alona Dwinata Berliana, Melinda DEDE SUHENDI Dewi Puspasari Dini Fitriani Dini Fitriani, Dini Eko Wiji Pamungkas Elisabect, Elisabect Encik Abdulhajar Fadhilah, Mauizah Fauziah, Rieke Gia Fitrinaldi, Fitrinaldi Hendraliany, Srie Hendraliany, Srie Hendraliany Indri Putri Utami Intan Ariyani Irawati Khairi, Ikhwanul Leni Aria Mirta Fera MS, Paojan Naurid Muhammad Rifa’I Novia Rahma Nugroho Budi Wirawan Nur Fadhilah nur hafizah Nurhabibah, Alawiyah Nurmeilita, Tasha Nurul Hilda Syani Putri Nurul, Nida Puja Lestari, Putri Purwana, Edi Putri, Suci Nadiya Putri Rodhia Ulfa Samsul Hadi Saputri, Distya Haerani Saroni, Wahid Hasim Saroni Siregar, NurAsma Riani Surya, Natasya Susanti Susanti Zulfa, Maulida