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Penggunaan Aplikasi Geogebra sebagai Media Pembelajaran Geometri di SMP Negeri 1 Berastagi Juli Loisiana Butar-Butar; Ferdinand Sinuhaji; Agus Susanto Ginting; Rafael Abadiken Sitepu
Jurnal Pengabdian Masyarakat Bestari Vol. 1 No. 6 (2022): September 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jpmb.v1i6.1097

Abstract

Geometri sebagai bagian dari Matematika yang membahas mengenai objek abstrak dari objek-objek yang sering ditemukan dalam kehidupan sehari-hari. Geometri yang berkaitan dengan bentuk abstrak dari objek-objek nyata ini adalah geometri dua dimensi (bangun datar) dan geometri tiga dimensi (bangun ruang). Penggunaan media berbasis teknologi memudahkan siswa dapat melihat interpretasi geometris. Salah satu perangkat lunak yang dapat digunakan sebagai media pembelajaran geometri adalah Aplikasi Geogebra. Penggunaan aplikasi Geogebra perlu diterapkan dalam tingkat SMP. Pengabdian kepada masyarakat ini bertujuan untuk memperkenalkan dan memperagakan secara singkat penggunaan dari aplikasi Geogebra kepada siswa/siswi SMP Negeri 1 Berastagi. Kegiatan ini  dilakukan dalam dua mekanisme, yaitu mekanisme persiapan PkM dengan tiga rangkaian kegiatan, dan mekanisme pelaksanaan dengan empat rangkaian kegiatan.
PERBANDINGAN UNSUR HARA PADA KOMPOS PELET SISA PAKAN SAPI DENGAN BAHAN AKTIF BETA DAN ECO FARMING Agus Susanto Ginting; Sumatera Tarigan
JURNAL AGROTEKNOSAINS Vol 6, No 2 (2022): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v6i2.868

Abstract

Active ingredients or also known as activators have an important role in  decomposition process of materials during composting. The active ingredient acts as a catalyst that breaks down the lignocellulose contained in the main ingredients of compost into simpler chain. In this research, the active ingredients used in the composting process are Beta and Eco Farming. The advantages of these two active ingredients in addition to acting as active ingredients are also rich in nutrients needed by plants. The nutrients produced from this decomposition process will be compared with the established standard, namely the Indonesian National Standard (SNI) 19-7030-2004. The results of the analysis showed that the macronutrient content of the two active ingredients in the pellet compost product made from cow feed was in accordance with the standards set with the values of nitrogen (>0.4%), phosphorus (>0.1), and potassium (>0, 2). the c-organic content is in the standard range that has been set (9.8%-32%). The percentage of water content is below the maximum water content that has been set (50%). The acidity level (pH) for pellet compost with Beta active ingredients is in the standard lifting range with value of 7.17 while pellet compost with Eco Farming active ingredients has a pH of 7.88 which is close to the maximum standard value of 7.48. The number of C/N ratio is still higher than the standard set so that it takes a longer time in the fermentation process so that the appropriate number is obtained.
Enhancing Students’ Enthusiasm for Learning Mathematics at SMP Negeri 1 Berastagi Ferdinand Sinuhaji; Juli Loisiana Butar-Butar; Agus Susanto Ginting; Jefrin Anugrah Humendru; Daniel Ebenejer Tarigan; Hosea Tarigan; Beril Syahputera Ginting
Jurnal Pengabdian Masyarakat Bestari Vol. 2 No. 3 (2023): March 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jpmb.v2i3.3306

Abstract

This community service aims to increase students' enthusiasm in learning sets so that students are interested in learning sets. The method used in this service is the game method in answering questions from the set. The results obtained from service activities using the game method are that students are faster at solving set problems compared to solving problems in a theoretical way. The conclusion that can be drawn from this service activity is that learning math using the game method can teach students to concentrate more in the process of learning math at school.
PEMANFAATAN WORTEL AFKIR (DAUCUS CAROTA L.) SEBAGAI BAHAN UTAMA PEMBUATAN PUPUK ORGANIK CAIR (POC) Agus Susanto Ginting; Sumatera Tarigan; Risman Halawa; Nikolas Jovi Tarigan
JURNAL AGROTEKNOSAINS Vol 7, No 1 (2023): Jurnal Agroteknosains
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v7i1.1071

Abstract

Karo regency is center for carrot (Daucus carota L.) production in North Sumatra. It is estimated more than 1% of the rejected carrot yields are produced in each planting period. With the predicted harvest area, more than 1,000 tons of rejected carrots will be produced annually. This potential can be used as the material for the manufacture of liquid organic fertilizer (LOF). There are three research variables that were carried out, namely: 1) Independent variables consisting of fermentation periode consisting of 10 days, 20 days, 30 days and 40 days. 2) Fixed variable consisting of 4 kg of rejected carrots, 5 liters of water, 5 liters of old coconut water, 0.6 liters of brown sugar water, 0.05 kg of yeast, 0.5 liters of EM-4. 3) Bond variables consist of C-Organic content, Phosphorus content, Potassium content  and Nitrogen and pH content. The results showed that the peak of microorganism activity occurred on the 30th day. This treatment obtained the highest proportions of 0.07%, 0.14%, 0.87%  for Nitrogen, Phosphorus and Potassium levels respectively. The highest C-Organic content was obtained in the H-20 and H-30 treatments with a proportion of 1.55%. The acidity level was stable at a value range of 3.5 from the start to the end of the quenching process. LOF carrots produced are still not in accordance with established quality standards. The percentage value of macro elements, C-Organic and pH is still below the set quality standards.
Fostering the Spirit of Learning Mathematics in Students of SD Negeri 13 Hutanamora, Samosir Regency Ferdinand Sinuhaji; Agus Susanto Ginting; Sumatera Tarigan; Siti Ramadani Br Tarigan; Ananda Micola Ginting; Yaresh De Dios S Meliala; Widiya Ananda Teresya Br Depari; Junois Pranta Bangun
Jurnal Pengabdian Masyarakat Bestari Vol. 3 No. 7 (2024): July 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jpmb.v3i7.9993

Abstract

The purpose of the service is to foster the spirit of learning mathematics in students. The process carried out in this service is to prepare game tools and materials, compile instructions for implementing the game method, provide set problems, solve set problems by inviting students to get involved in solving set problems. The implementation method used in this service is the game method, namely the presentation of subject matter through games to create a fun, serious, and relaxed atmosphere so that students will learn happily. The results obtained from the service activities are the results of the pre test with the post test having an increase in value of 8.49%. Comparison of post test scores to the game model has an increase in scores of 8.70% in the Good category. The interpretation of the results of the service obtained is that by using the questions to the game can help to analyze to get decisions and results.
Co-Authors Ananda Micola Ginting Beril Syahputera Ginting Butar-butar, Juli Loisiana Daniel Ebenejer Tarigan Ferdinand Sinuhaji, Ferdinand Hosea Tarigan Jefrin Anugrah Humendru Junois Pranta Bangun Nikolas Jovi Tarigan Rafael Abadiken Sitepu Risman Halawa Siti Ramadani Br Tarigan Tarigan, Sumatera Widiya Ananda Teresya Br Depari Yaresh De Dios S Meliala