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Keremata Lede, Yulius
Pendidikan Matematika Universitas Katolik Weetebula
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Journal : Indo-MathEdu Intellectuals Journal

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Pengembangan Media Pembelajaran ICT untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa Kelas VII SMPN 2 Wewewa Tengah Tanggu, Daud; Napu, Timotius Woda; Lede, Yulius Keremata; Making, Samuel Rex Mulyadi
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.3857

Abstract

The purpose of this study is to improve students' problem-solving abilities related to the concept of fractions by using ICT learning media. This study uses a type of research, namely design research, researchers also use qualitative descriptive analysis to analyze students' problem-solving abilities. The subjects in this study were seventh-grade students at SMP Negeri 2 Wewewa Tengah, in the 2024/2025 academic year and the object of the study was the development of ICT learning media to improve the problem-solving abilities of seventh-grade students of SMP Negeri 2 Wewewa Tengah. The instruments used in this study were learning observations, test questions, interviews. Data collection techniques in this study were by providing test questions, learning observations, interviews, and documentation. Based on the results of the research and data analysis carried out, it can be concluded that students' problem-solving abilities based on the Polya indicators of seventh-grade students of SMP Negeri 2 Wewewa Tengah. The ability of students in the High category increased from 0% to 15%, the ability of students in the medium category also increased from only 5% to 80%, while in the low category decreased from 95% to only 5%. This means that using ICT learning media with phET as a teaching medium can help students improve their problem-solving skills in fraction operations.
Analisis Kemampuan Pemahaman Konsep Matematis Siswa Kelas VIII B SMP Kristen Karuni pada Materi Peluang Wara, Destriyati Saputri Lende; Making, Samuel Rex Mulyadi; Lubur, Dorothea Novia Ludo; Lede, Yulius Keremata
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.3928

Abstract

This study aiams to analyze the mathematical concept comprhension capabilities of eight grade students of Karuni Christian Junior High School on the topic of probability. Comprehenson of mathematical concept is a fundamental aspect of matheatics learning that enables students to understand mathematical ideas in depth and apply them in various situations. The topic of probability was chosen because it is considered of the difficult topic by students and requires a strong conceptual understanding. This reaseacrh uses qualitative descritive research methods with a qualitative approach. The reasearch subjects are 26 students of class VIII B of Karuni Christian Junior high school for the 2024/2025 academic year. Data colletion techniques include written tets, interviews, and documenation. The research instruments consist of test questions and interview guidelines developed based on indicators of mathematical concept understanding according to Kilpatrick, Swafford, and Findell. The research result show that students abllity to understand mathematical concepts in the material of probability is in the high category with a percentage 80%, students with a medium abillity are at 75%, and students with low abillity are at 50%. The indicator most masterred by students in the abillity to restate concepts, while the most difficult indicator is presenting concepts in the form of representations.
Analisis Kesalahan Siswa dalam Menyelesaikan Soal Cerita Materi Himpunan untuk Kelas VII SMP Negeri I Loura Ama, Enos Tamo; Making, Samuel Rex. Mulyadi; Lede, Yulius Keremata; Napu, Timotius Wonda
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.3945

Abstract

This study aims to determine the level of student errors in working on problems related to this material. The method used in this research is descriptive qualitative method, with the help of research instruments in the form of test question sheets, interview guidelines, scoring guidelines and documentation. Data collection was carried out by conducting tests and interviews with research subjects who were representatives of 16 students in total. The results of student work were then analyzed based on Newman Indicators, using analytical techniques which include data reduction, data analysis, data presentation and conclusion drawing stages. The results showed that the level of student errors in working on problems on set material was still categorized as high, characterized by students with high errors being more dominant than students in the low error category. Based on the results of research and discussion, it can be concluded that the work of seventh grade students of SMP Negeri 1 Loura in solving math problems on set material is still categorized as low.
Eksplorasi Etnomatematika pada Artefak Peninggalan Sejarah di Rumah Budaya Sumba Ate, Arista Ngindi; Lubur, Dorothea Novia Ludo; Making, Samuel R. M.; Napu, Timotius W.; Lede, Yulius Keremata
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.4056

Abstract

This research aims to explore and understand the mathematical concepts found in historical artifacts at the Sumba cultural house museum. The method used in this study is qualitative with an ethnographic approach. Data collection is done through observation and interviews, and data analysis. The data collection techniques in this research are observation, interviews, and documentation. The main instrument in this study is the researcher themselves, and the tools used are observation guidelines, interview guidelines, and documentation. The data analysis process is carried out through several stages, namely data reduction, data presentation, and drawing conclusions or verification. The research results show that in the Sumba Cultural House museum there are various types of artifacts, including drums, ancient statues, jars, machetes, shields, gongs, tombstones, and various kinds of jewelry. The mathematical concepts applied to the artifacts in the Sumba Cultural House museum are the concepts of flat shapes and solid shapes. The flat shape concepts applied include squares, rectangles, triangles, kites, rhombuses, and circles. Meanwhile, the solid shape concepts applied include cubes, rectangular prisms, cylinders, and cones.
Penerapan Alat Peraga untuk Mengatasi Miskonsepsi Matematika pada Materi Bangun Ruang Siswa Kelas VII SMP Kristen Karuni Damma, Stefanus Umbu; Making, Samuel Rex Mulyadi; Lubur, Dorothea Novia Ludo; Lede, Yulius Keremata
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4129

Abstract

The purpose of this study is to determine the extent of understanding students in the application of teaching aids to overcome mathematical misconceptions in material on the construction of grade VII students of Karuni Christian Middle School. The type of research used is classroom action research (CAR). The subjects in this research are the class VII and the object of this research is the application of teaching aids to overcome Mathematical misconceptions in the material on shapes of grade VII students of Karuni Christian Middle School. The data collection technique is using tests, in the form of (post-test and pre-test) observation sheet. Data analysis techniques are carried out at the learning completion stage individual and classical. The results of the study can be concluded from both cycles of learning outcomes in using teaching aids for each student in working on test questions have different understandings. This can be seen from the results of the first cycle test of participants students have not been able to solve the given mathematics problems and in the cycle II students can solve the problems they encounter and are able to overcome them misconception.
Analisis Pengaruh Lingkungan Belajar terhadap Prestasi Belajar Matematika Siswa di SMP Kristen Karuni Malo, Sarmolus; Making, Samuel Rex Mulyadi; Lubur, Dorothea Novia Ludo; Lede, Yulius Keremata
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4149

Abstract

This Research aims toanalyze the influece of the learning environment on the mathematics learning achievent of class VIIIA students at Karuni Christian Middle School. The learning environment in question includes physical, social, psychological aspects, as well as the learning methods applied. The research medhod used is a quantitative approach with data collection techniques through quesrionnaires and documentationnof students’ UAS scores. The research sample consisted of 27 students, research time was the even semester of the 2024/2025 academic year. Data analysis was carried out using descriptive statstics, simple linear regression tests, and pearson correlation tests eith the help of the SPSS aplication. Thr resarch results show that students’ perceptions of the learning environment are classified as good with an average score of 4.29 (scale 1-5). The average student mathematics achievement score was 74.69. the pirso correlation test shows that there is a positive and significant relationship between the learning environment anf mathematics learning schievement with a correlation coefficient (r)= 0.65 and significant (p)= 0.001. This means that the higher the mathematics learning achievement achievend.
Analisis Kesalahan Siswa Kelas IX SMP Negeri 1 Loura dalam Menyelesaikan Soal Matematika pada Materi Persamaan Kuadrat Menggunakan Teori Newman Mone, Ariyanti; Napu, Timotius Woda; Lede, Yulius Keremata; Making, Samuel Rex Mulyadi
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4161

Abstract

This study aims to identify the types of errors made by students in solving quadratic equations and analyze the factors that cause them. The research method used is descriptive qualitative with data collection techniques through written tests, interviews, and documentation. The research subjects consisted of 11 students in class IXB of SMP Negeri 1 Loura with instruments in the form of test questions and interview guidelines. The results of the study show that reading errors accounted for 45.45%, characterized by inaccuracies in making assumptions. Errors in understanding the questions also accounted for 45.45%, because students did not write down the known and asked information completely. Question transformation errors reached 81.81%, where students were inaccurate in writing down the mathematical model or did not write it down at all. Process skill errors also accounted for 81.81%, characterized by incorrect calculations and incomplete work. At the stage of writing the final answer, all students (100%) did not write the conclusion or answer correctly. These findings indicate that the dominant errors were in question transformation, process skills, and writing the final answer. The main factors causing these errors were a lack of conceptual understanding, lack of focus, and low accuracy among students. Therefore, a learning strategy that emphasizes understanding the concept of quadratic equations and accustoming students to writing down the steps to solve the problem in sequence is needed.
Optimasi Pembelajaran Matematika dengan Menggunakan Game Based Learning Berbasis Kahoot: Analisis Minat Belajar Siswa Kelas VII SMP Negeri 1 Waikabubak Watu, Angelita Yessi Duka Walu; Napu, Timotius Woda; Lede, Yulius Keremata
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4244

Abstract

This study aims to determine the effect of Kahoot-based Game Based Learning on the learning interest of seventh-grade students at SMP Negeri 1 Waikabubak in mathematics. The study used a quasi-experimental method with a pretest-posttest control group design. The study population consisted of all seventh-grade students at SMP Negeri 1 Waikabubak in the 2024/2025 academic year. The sample was selected using purposive sampling and consisted of two classes. Data were collected through a multiple-choice test consisting of 10 questions and a learning interest questionnaire containing 15 statements. The results showed that the use of Kahoot had a significant effect on students' learning interest. The significance value of the hypothesis test was 0.000 < 0.05, so H0 was rejected and Ha was accepted. The comparison of average scores also reinforces these results, with the control class mean of 49.42, while the experimental class reached 63.12. N-Gain analysis shows that the increase in learning interest in the control class was in the moderate category with an average of 0.52, while in the experimental class it was in the high category with an average of 0.80. Thus, it can be concluded that the application of Kahoot-based Game Based Learning can significantly increase student learning interest compared to conventional learning. These findings confirm that the integration of technology-based interactive learning media can be an effective strategy in increasing student engagement, especially in learning mathematics on algebraic operations in junior high school
Analisis Kesalahan Siswa Kelas VIII Setelah Penerapan Model Pembelajaran Problem Based Learning pada Materi Teorema Phytagoras untuk Siswa SMP Kristen Waimangura Kira, Emirensiana Irene Lali; Lede, Yulius Keremata; Making, Samuel Rex M.; Lubur, Dorothea Noviana Ludo
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4315

Abstract

This study aims to analyze students' errors in solving Pythagorean theorem problems using the Problem Based Learning (PBL) learning approach. The method used is a qualitative method with a descriptive approach aimed at determining the types of errors in solving Pythagorean Theorem problems after PBL. The results of the study showed that students' errors varied, ranging from conceptual errors such as understanding the definition of the Pythagorean theorem to procedural errors such as errors in calculations and use of formulas. These errors are influenced by students' understanding of basic concepts, problem-solving skills, and students' ability to apply the Pythagorean theorem in various problem contexts. The results of the study showed that students' abilities in solving Pythagorean Theorem problems that answered the questions correctly were still lacking. The cause of the errors made by students was that students were not careful in reading the questions, were not careful in understanding the questions so that they made mistakes in writing what was known and what was asked, so that they were less able to solve the questions so that they made mistakes in solving the questions.
Meningkatkan Hasil Belajar Menggunakan Alat Permainan Puzzle Pada Materi Operasi Hitung Campuran Bilangan Bulat Kelas IV SD Negeri Pogo Lede Wada, Marselina; Making, Samuel Rex M; Lede, Yulius Keremata
Indo-MathEdu Intellectuals Journal Vol. 5 No. 1 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i1.579

Abstract

The cause of the problem of low learning outcomes for fourth grade students at Pogo Lede State Elementary School in mathematics subjects consists of teacher and student foctors. Teachers are less creative in delivering material, do not use media that, can attract students’ attention and interest in learning, focus more on using prinred books, and do not involve students. Apart from that, he also has difficulty in calculating. This makes students feel bored, fed up and sometimes students just sit still during the learning process so that the material provided by the teacher cannot be received optimally, causing the learning outcomes of class IV students at SD Negeri Pogo Ledeto still be below average. This research uses classroom action research (PTK) techniques because the research is carried out to solve problems that occur in the claasroom. In classroom action research improvements are carried out gradually and continuously as long as the research activities are carried out. Therefore, in PTK there is an implementation cycle in the from of a planning pattern. Carrying out observations and reflections so that in the next dycle it reaches the level you want to achieve. Based on the background above, the researcher chose to apply the puzzle game learning method. This method can make students activel discuss in class or in small groups to formulate the title improving learning outcomes using puzzle game tools on operation material counting mixed integers class IV Pogo Lede State Elementary School
Co-Authors A, Klarisa Riavinola M ama, alfianus tamo Ama, Enos Tamo Ansila Ina Kii Ansila Ina Kii Apshinta Milla Ate, Arista Ngindi Ate, Dekriati Bani, Theresia Bili, Nopliana Bora, Agustinus Rina Bota, Mariana Ra Bulu, Agustina Rovina Bulu, Martina Sumiyati Cordia, Grassiana Misseri Daga, Agustinus Tanggu Daindo Milla Daindo Milla Damma, Stefanus Umbu Dangu, Ivan Aris Nono Dedo, Jefrian Rivaldi Deta, Dominggus Umbu Dodo, Arista Ina Dona, Yunita Elkarisme, Yunice Elyakim N.S. Patty Elyakim Nova Supriyedi Patty, Elyakim Nova Supriyedi Engge, Yohanes Fachry Abda El Rahman Florida Moza, Florida Geterudis Kerans Geterudis Kerans Ghogha, Heronima Ghunu, Yosefina Ina, Yosefa Natalia Inna, Maya Tamo Jarang, Nelson Tidi Kadi, Susanti Kaleka, Yohanes Umbu Kalembu, Stefania Sulastri kerans, geterudis Kholid Kholid Kii, Ansila Ina Kira, Emirensiana Irene Lali Klarisa Riavinola M. A Klarisa Riavinola Miku Ate Ko’a, YuliusRonal Datu Laga, Ariyanti Ubu Lazarus Andrianus Pati Zaghu Lende, Mersiana S. Kaka Lende, Petrus Lende, Trimurti Elvin Lero, Yuvita Susanti Lika, Yulita Likka, Yusril Enga Lubur, Dorothea N. L. Lubur, Dorothea Novia Ludo Lubur, Dorothea Noviana Ludo Making, Samuel Making, Samuel R. M. Making, Samuel R.M. Making, Samuel Rex Making, Samuel Rex M Making, Samuel Rex M. Making, Samuel Rex Muliyadi Making, Samuel Rex. Mulyadi Malo, Anjelina Deviana Malo, Sarmolus Mariana Ra Bota Mbayu, Dominggus Wuru Milla, Apshinta Mone, Ariyanti Nabuasa, Meriana Napu, Timotius W. Napu, Timotius Woda Napu, Timotius Wonda Nopliana Bili Paramita Rusadi Legu Awa Paramita Rusadi Legu Awa Patty, Elyakim N.S. Raja, Angelina Laja Saga, Eklesia Bodu Samuel Making Samuel R. M. Making Samuel R.M. Making Samuel Rex M. Making Samuel Rex M. Making Samuel Rex Mulyadi Making Samuel Rex Mulyadi Making Samuel Rex Mulyadi Making Samuel Rex Mulyadi Making Samuel Rex Mulyadi Making Setiawi, Agustina Purnami Sophi Kondi Tanggu, Daud Thoma, Theresia Novita Yeli Wada, Marselina Wara, Destriyati Saputri Lende Watu, Angelita Yessi Duka Walu Wilhelmus Yape Kii Wilhelmus, kii Yape Wohangara, Ayub Umbu Tonga Yawu, Yoas Gali Yohanis Umbu Kaleka, Yohanis Umbu Yublina Jeni Dapa Yuliana Sesi Bitu Yulita Lika Yunice Elkarisme Zaghu, Lazarus Andrianus Pati Zogara, Leonard