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Analisis Kesulitan Belajar Matematika Pada Siswa Kelas II di SDN 005 Samarinda Ulu Linda, Apnita; Nur Anisa, Nabila; Fatir Atfal, Muhammad; Kusumaningtyas, Pintaka; Suprihyatin, Suprihyatin
Prosiding Seminar Nasional PPG Universitas Mulawarman Vol. 4 (2023): Media Digitalisasi Sebagai Kebutuhan Primer Dalam Pembelajaran Kenormalan Baru
Publisher : Program Studi Pendidikan Profesi Guru, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/semnasppg.v4.3060

Abstract

Siswa dengan kesulitan belajar matematika kerap kali beranggapan bahwa pembelajaran matematika tidaklah mudah. Kesulitan belajar yang sering dialami oleh siswa kelas II SD yaitu kebingungan saat mengerjakan soal-soal yang berkaitan dengan operasi hitung penjumlahan dan penguran. Tujuan dari penelitian ini adalah untuk menganalisa kesulitan belajar matematika yang dialami siswa dan faktor yang mempengaruhi kesulitan belajar tersebut serta upaya yang dapat dilakukan untuk mengatasi kesulitan belajar matematika di kelas II Sekolah Dasar. Penelitian ini merupakan penelitian kualitatif metode deskriptif. Subyek penelitian yaitu siswa kelas IIA sebanyak 10 orang dan guru kelas. Teknik pengumpulan data yang digunakan observasi dan wawancara secara langsung dengan subjek. Hasil Penelitian menunjukkan bahwa siswa kelas IIA yang berjumlah 10 siswa, 9 siswa diantaranya mengalami kesulitan belajar matematika dalam menyelesaikan soal operasi hitung penjumlahan dan pengurangan yang dinilai berdasarkan 3 aspek yaitu kesulitan belajar matematika, faktor-faktor yang mempengaruhi kesulitan belajar matematika, upaya pemecahan kesulitan belajar matematika.
Chemical Concepts Related to the Context of Palm Oil Production Process for Contextual Chemistry Learning based on Local Natural Resources Shalsabila, Syifa Yulia; Kusumaningtyas, Pintaka; Erika, Farah
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.11520

Abstract

Chemistry learning oriented to local natural resources around students presents real situations that can help students to understand the concepts of learning material being studied. This research aims to identify the chemical concepts involved in the process of palm oil production for developing contextual chemistry learning materials based on local natural resources. This research used descriptive quantitative research. Data were collected from field observation, literature study and documentation study. The relevance of chemical concepts and the context of palm oil processing were assessed by the validators. Based on the finding, there are 3 chemical concepts related to the palm fruit processing into crude palm oil (CPO), namely: classification of matter,change of matter, and separation of mixture. The relationship between both of these three chemical concepts and the context of palm oil processing has been declared highly valid with a score of 3.75 by the validators. Therefore, the processing of palm fruit into CPO can be used as a learning resource for contextual chemistry learning material in the implementation of Merdeka curriculum at phase E.
Assessing environmental knowledge of High School students on mangrove’s role in climate change mitigation: A case study in the Mahakam Delta Novia Dwi Iriyanti; Pintaka Kusumaningtyas; Muhammad Amir Masruhim; Puji Windi Astuti; Nisa Ul Khoiriyyah
JPPIPA (Jurnal Penelitian Pendidikan IPA) Vol. 10 No. 2 (2025): December 2025
Publisher : Universitas Negeri Surabaya in collaboration with Perkumpulan Pendidik IPA Indonesia (PPII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jppipa.v10n2.p105-111

Abstract

Mangrove ecosystems play an important role in climate change mitigation through their ability to absorb and store carbon. Students' knowledge about this needs to be improved to support students' environmental awareness. This study aims to measure the level of environmental knowledge of grade XI students in the Mahakam Delta region about the role of mangroves in mitigating climate change. The research method used a quantitative descriptive method, with data collection through written tests. The results showed that the average environmental knowledge of students was 61.62 with a sufficient category. The results of the frequency distribution of students show 38% of students have environmental knowledge in the good category, 36% are in the sufficient category, 11% are in the less category, and 15% are in the very less category. Although most students have environmental knowledge in the good category, there are no students who reach the excellent category, and 71% are still below the good category. Therefore, efforts are needed to improve students' environmental knowledge, especially through integration into science/chemistry learning.
ANALISIS KOMPETENSI GURU KIMIA DALAM PENYUSUNAN MODUL AJAR KURIKULUM MERDEKA DI KABUPATEN KUTAI KARTANEGARA Febriyanti, Shinta; Kusumaningtyas, Pintaka; Lestari, Sri
Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Vol 8, No 3 (2025)
Publisher : Universitas Islam Kalimantan MAB Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/dl.v8i3.20779

Abstract

Kegiatan perencanaan pembelajaran yang penting bagi guru adalah membuat modul ajar Kurikulum Merdeka. Penelitian ini bertujuan untuk menganalisis tingkat kompetensi guru kimia dalam penyusunan modul ajar Kurikulum Merdeka di Kabupaten Kutai Kartanegara. Metode penelitian yang digunakan adalah deskriptif kuantitatif. Subjek dalam penelitian ini adalah guru kimia yang berjumlah 10 orang, yang merupakan anggota Musyawarah Guru Mata Pelajaran (MGMP) kimia kabupaten Kutai Kartanegara. Data hasil analisis dokumen dikumpulkan melalui instrumen penilaian modul ajar Kurikulum Merdeka. Hasil penelitian menunjukkan bahwa rata-rata nilai kompetensi guru dalam menyusun modul ajar berada pada kategori baik dengan nilai 86. Diantara komponen modul ajar yang dinilai terdapat 4 komponen yang berada pada kategori cukup yaitu Profil Pelajar Pancasila, asesmen, pembelajaran remedial dan pembelajaran pengayaan. Dengan demikian, guru masih membutuhkan pelatihan dan pendampingan berkelanjutan untuk meningkatkan kualitas modul ajar yang disusun.
The effectiveness of a website-based interactive medium (chem go) on electrolyte and non-electrolyte solutions to improve chemistry learning outcomes Alfiqi Gilang Nur Romadhan Galuh Fajar Fanjalu; Muhammad Harris Irawan; Sri Lestrari; Pintaka Kusumaningtyas; Agung Rahmadani; Rosaliyanti Rosaliyanti
Arfak Chem: Chemistry Education Journal Vol. 9 No. 1 (2026): Arfak Chem
Publisher : Universitas Papua, Manokwari, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/accej.v9i1.1278

Abstract

Learning media that lacks interactivity often causes students to become bored quickly and contributes to low learning outcomes. To meet that challenge, interactive website-based media such as Chem Go has been developed to offer a more effective learning experience. This innovation is designed to improve student learning outcomes. The purpose of this study is to examine the effectiveness of the website-based interactive media (Chem Go) in teaching electrolyte and non-electrolyte solutions. This study is a Research and Development (R&D) study using the 4D model. The population of this study is all Grade XI students at State Senior High School 6 Samarinda in the 2025/2026 academic year. The samples in this study were from classes XI-C and XI-D. The data collection technique used was cluster random sampling. The method used in this study was a pre-experiment with a two-group pre-test post-test design without a control group. The N-Gain analysis results showed values of 0.45 for class XI-C and 0.41 for class XI-D, both in the moderate category. In contrast, the Effect Size was 1.09 for class XI-C (high) and 1.41 for class XI-D (very high). The students' response to this media was positive, falling into the positive category for understanding, attitude, and active participation. These results confirm that Chem Go is an effective medium for learning chemistry and improves learning outcomes
Development of Sanak Belajar Mobile Learning Media on Atomic Structure Material Ridwansyah, Muhammad; Akbar, Muhammad; Nurhadi, Mukhamad; Kusumaningtyas, Pintaka; Rahmadani, Agung
Journal of The Indonesian Society of Integrated Chemistry Vol. 18 No. 1 (2026): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v18i1.50468

Abstract

Mobile learning is increasingly important to support flexible and adaptive learning. This study aims to develop a mobile learning-based Sanak Belajar learning media on atomic structure material, and test its validity, practicality, and effectiveness. The method used is Research and Development (R&D) with a modified ADDIE model at the Analysis, Design, Development, and Implementation stages. The research subjects were purposively selected X-grade students of SMA Negeri 1 Loa Janan. The validation results by experts showed a very high level of validity (score >90%). Practicality based on teacher and student questionnaires is also very high, amounting to 97.92% and 79.81% respectively. The effectiveness of the media is seen from the N-Gain value of 0.64 (medium category) and effect size of 3.39 (very high impact). Thus, Sanak Belajar is declared valid, practical, and effective for use in learning chemistry on atomic structure material, and has the potential to be further developed with more interactive technology
Instagram-Based Learning Media on The Subject Chemistry in Our Environment Ajeng Ayu Rengganis; Nur Apriani; Sukemi Sukemi; Pintaka Kusumaningtyas
Jambura Journal of Educational Chemistry Vol 7, No 2 (2025): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v7i2.31883

Abstract

The appropriate use of learning media is essential as a tool to help students explore and enhance their understanding. In line with the advancement of time and technology, the learning process and access to information are no longer limited to what is provided by the teacher but can also be obtained from various sources, including social media. Therefore, this study aims to develop Instagram-based learning media as a self-learning resource for students. This media covers the topic “Chemistry in Our Environment”. The type of research used in this study is design and development based on the Richey and Klein model, which includes three stages: planning, production, and evaluation. This study resulted in the development of Instagram-based learning media on the subject Chemistry in Our Environment, which has been tested for its validity. The media contains learning outcomes, learning objectives, meaningful understanding, guiding questions, and learning materials presented on the Instagram account @belmiaclass. The validity test results indicate that this Instagram-based learning media is highly valid, with a score of 93% for content aspects and 100% for media aspects. Therefore, the media can proceed to the next stages, namely practicality testing and effectiveness testing.
Learners’ Needs Analysis for the Development of Reaction Rate Experimental Videos Arinda Marganingtyas; Yuli Hartati; Farah Erika; Pintaka Kusumaningtyas; Agung Rahmadani
SEJ (Science Education Journal) Vol. 9 No. 2 (2025): November
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/sej.v9i2.1723

Abstract

Understanding chemical reaction rates requires practical experiences that allow students to observe factors influencing reaction speed. However, limited laboratory equipment and materials in many schools hinder the implementation of meaningful experiments. This study aims to determine the learning media needs of Class XI students for the development of reaction rate experimental videos at SMA Negeri 7 Malinau. A total of 17 students (n = 17) and one science teacher participated in the study. Data were collected using questionnaires and interviews, then analyzed through descriptive, qualitative, and quantitative approaches. The results show that 88.24% of students experience difficulties in learning reaction rate concepts, 76.47% perceive that videos help their understanding, and 100% agree that experimental videos are needed as learning resources. These findings highlight the urgent need for offline, visually engaging, and easy-to-understand experimental videos to support students’ conceptual understanding in contexts with limited laboratory facilities. The results of this needs analysis will directly inform the content design, structure, and visual features of the reaction rate experimental videos to be developed.
Analisis Kompetensi Guru Kimia dalam Penyusunan Modul Ajar Kurikulum Merdeka di SMA Negeri 8 Samarinda A. Insyirah; Muh. Amir M.; Pintaka Kusumaningtyas
Jurnal Pendidikan Kimia, Fisika dan Biologi Vol. 2 No. 4 (2026): Juli: Jurnal Pendidikan Kimia, Fisika dan Biologi
Publisher : Asosiasi Riset Ilmu Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupenkifb.v2i4.1167

Abstract

The creation of teaching modules for the Independent Curriculum is crucial for teachers when designing learning. This study measures the extent of the competence of chemistry teachers at SMA Negeri 8 Samarinda in designing teaching modules that are in accordance with the principles of the Independent Curriculum. The research method used is descriptive quantitative with the following stages: (1) conducting a literature review (2) compiling an analysis rubric (3) collecting teaching modules (4) conducting a review and assessment of the teaching modules (5) processing data from each teaching module assessment (6) analyzing the data descriptively (7) and drawing conclusions. Data obtained through the Independent Curriculum teaching module assessment instrument were analyzed using a descriptive quantitative method. The results show that the average teacher competency score in preparing the module reached 85, which is included in the good category. However, there are 3 components of the teaching module that are still in the sufficient category, namely: Learning Scenarios, Learning Assessment Design, and Attachments. There are also 2 components of the teaching module that are still in the less category, namely: Remedial Learning and Enrichment Learning. So, it can be concluded that regular training and mentoring are still very much needed to improve the quality of the teaching modules that are prepared, even though the current teacher competency is already in the good category.