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The Effectiveness of Missouri Mathematics Project Learning Models for Improving Students’ Mathematical Connection Ability on Junior High School Apriani, Dini; Putra, Harry Dwi; Hendriana, Heris
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 7 No. 4 (2024): VOLUME 7 NUMBER 4, DECEMBER 2024
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v7i4.22232

Mathematical connection ability is one of the high level abilities but is still classified as low because students' understanding of the conceptual material given by the teacher, there are still students going through steps in working on the problems given, such as describing a symbol, in completing mathematical concepts, therefore This research aims to examine the effectiveness of using the Missouri Mathematics Project Learning Model carried out at MTs Ibnu Sina Jl. Tegal Overtime No. 105, Pamekaran, District. Soreang, Bandung Regency, West Java 4091, by taking a sample of 60 students consisting of control and experimental classes. The research method used in this action was the experimental method. Based on the results of descriptive analysis of students' mathematical ability data before being given treatment, it showed the highest score was 70, the lowest score was 55 and the average score was 61. Meanwhile, the results of descriptive analysis of students' mathematical ability data after being given The treatment showed the highest score of 70, the lowest score of 55 and the average score of 61. Those given the treatment showed the highest score of 87, the lowest score of 69, and the average score of 77.83. So the average mathematical connection ability of students after being given treatment is higher than the students' mathematical ability before being given treatment.

INCREASING STUDENTS' CONCEPT UNDERSTANDING CAPABILITY IN STATISTICS MATERIAL THROUGH THE DISCOVERY LEARNING MODEL: MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEP SISWA PADA MATERI STATISTIKA MELALUI MODEL DISCOVERY LEARNING Pratiwi, Meitia Putri; Putra, Harry Dwi
MaPan : Jurnal Matematika dan Pembelajaran Vol 12 No 2 (2024): DESEMBER
Publisher : Department of Mathematics Education Faculty of Tarbiyah and Teacher Training Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/mapan.2024v12n2a3

This research aims to determine the effect of the discovery learning model on high school students' mathematical abilities. This type of research is classroom action research, which aims to increase educators' professionalism in improving student learning outcomes. This research was carried out at senior high school Yumik Banjaran. The subjects in this research involved students in class XII IPA 1 for the 2023/2024 academic year with 36 students. The research instrument used was a description test during the pre-test and post-test. The learning material provided is data-centering statistical material. The tests carried out are divided into two parts, namely test cycles I and II (after giving the action). The procedures in this research consist of: (1) planning, (2) implementation of actions, (3) observation, and evaluation, and (4) reflection. The results of this research show that in cycle I the researcher was not optimal in providing understanding to students so there were still many students who did not understand the statistical material of data concentration, however in cycle II the researcher improved the learning method by paying more attention to the systematics in the discovery learning model so that after cycle II is completed, students' mathematical understanding abilities can increase. Based on the performance indicators, it is concluded that students' mastery of mathematical understanding in the data-centering statistics material for class XII IPA 1 students at senior high school Yumik Banjaran can be improved through the discovery learning model.

Blended online learning: Students' perception and its effect on learning outcomes abstract algebra Yumiati, Yumiati; Putra, Harry Dwi; Haji, Saleh
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p65-84

In the current digital era, the implementation of blended online learning faces challenges in understanding students' perceptions and its impact on learning outcomes, particularly in Abstract Algebra. This issue is crucial to investigate, as the shift in teaching methods can influence the comprehension of complex algebraic concepts. This research aims to investigate students' perceptions and learning outcomes in abstract algebra courses of blended and asynchronous online learning. The research method used was quasi-experiment. The subject of 27 students is available without being randomly selected. Research instruments using questionnaires and tests. The test consists of eight essay questions. The questionnaire includes 27 closed-ended questions and six open-ended questions. The results showed that students perceived Abstract Algebra subjects as difficult or very difficult. Most students needed help to study the module due to material difficulty thoroughly. In addition, asynchronous online learning is ineffective compared to blended online learning. All students wanted the tutorial asynchronous and synchronous combined (blended online learning). Most students carry out online learning at home using a smartphone device. Students who use blended online learning obtain significantly higher learning outcomes than students who only take it asynchronously.

Blended online learning: Students' perception and its effect on learning outcomes abstract algebra Yumiati, Yumiati; Putra, Harry Dwi; Haji, Saleh
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p65-84

In the current digital era, the implementation of blended online learning faces challenges in understanding students' perceptions and its impact on learning outcomes, particularly in Abstract Algebra. This issue is crucial to investigate, as the shift in teaching methods can influence the comprehension of complex algebraic concepts. This research aims to investigate students' perceptions and learning outcomes in abstract algebra courses of blended and asynchronous online learning. The research method used was quasi-experiment. The subject of 27 students is available without being randomly selected. Research instruments using questionnaires and tests. The test consists of eight essay questions. The questionnaire includes 27 closed-ended questions and six open-ended questions. The results showed that students perceived Abstract Algebra subjects as difficult or very difficult. Most students needed help to study the module due to material difficulty thoroughly. In addition, asynchronous online learning is ineffective compared to blended online learning. All students wanted the tutorial asynchronous and synchronous combined (blended online learning). Most students carry out online learning at home using a smartphone device. Students who use blended online learning obtain significantly higher learning outcomes than students who only take it asynchronously.

Systematic Literature Review: Analysis Of Middle School Students' Difficulties In Solving Integer Problems Miftahudin, Rifqi Aulia; Putra, Harry Dwi
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 1 (2025): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v10i1.680

Middle school students often encounter dificulties in solving integer operation problems, such as understanding concepts like positive and negative integers and correctly applying arithmetic symbols. This study utilizes a Systematic Literature Review (SLR) approach to analyze these difficulties, searching academic databases like Google Scholar, ResearchGate, and Sinta for relevant articles published from 2019 to 2023 and included articles published in 2024 . Articles were selected based on criteria assessing their relevance to the research topic, methodological rigor, and contribution to understanding students' struggles in integer operations. The research identifies three main difficulties: conceptual comprehension, handling factual knowledge, and procedural application. Many students struggle with applying learned concepts, differentiating between positive and negative integers, and using arithmetic symbols accurately. Factors contributing to these difficulties include a lack of seriousness in problem-solving, reliance on peers for answers, and hesitancy in seeking assistance from teachers. The study recommends reinforcing fundamental concepts through diverse teaching methods, fostering student independence in mathematical problem-solving, and developing critical thinking skills to support students in overcoming these challenges and improving their mathematical proficiency.

Ethnomathematics In Action: Leveraging Traditional Congklak For Meaningful Mathematics Learning Mulyadi, Magdalena; Putra, Harry Dwi
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 1 (2025): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v10i1.708

Mathematics, often perceived as abstract and daunting, can be made more engaging and relevant through its integration with cultural contexts. Ethnomathematics, the study of mathematics embedded in cultural practices, offers a promising approach to enhance student motivation and understanding. This study investigates the potential of the traditional Indonesian Congklak game to teach fundamental mathematical concepts (multiplication, division, GCF) within an ethnomathematics framework. By analyzing game mechanics and observing student engagement, the study demonstrates Congklak's effectiveness in fostering positive attitudes towards mathematics, enhancing problem-solving skills, and promoting deeper conceptual understanding. While previous research has explored Congklak in mathematics education, the novelty of this study lies in its specific focus on analyzing the game's rules to explicitly demonstrate how it embodies and reinforces key mathematical principles. This approach provides a more nuanced understanding of Congklak's pedagogical value and offers a replicable model for integrating other traditional games into mathematics curricula.

Blended online learning: Students' perception and its effect on learning outcomes abstract algebra Yumiati, Yumiati; Putra, Harry Dwi; Haji, Saleh
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p65-84

In the current digital era, the implementation of blended online learning faces challenges in understanding students' perceptions and its impact on learning outcomes, particularly in Abstract Algebra. This issue is crucial to investigate, as the shift in teaching methods can influence the comprehension of complex algebraic concepts. This research aims to investigate students' perceptions and learning outcomes in abstract algebra courses of blended and asynchronous online learning. The research method used was quasi-experiment. The subject of 27 students is available without being randomly selected. Research instruments using questionnaires and tests. The test consists of eight essay questions. The questionnaire includes 27 closed-ended questions and six open-ended questions. The results showed that students perceived Abstract Algebra subjects as difficult or very difficult. Most students needed help to study the module due to material difficulty thoroughly. In addition, asynchronous online learning is ineffective compared to blended online learning. All students wanted the tutorial asynchronous and synchronous combined (blended online learning). Most students carry out online learning at home using a smartphone device. Students who use blended online learning obtain significantly higher learning outcomes than students who only take it asynchronously.

The Development of Contextual Approach Teaching Materials to Improve Students’ Higher Order Thinking Skills (HOTS) Septripiyani, Kesi; Hidayat, Wahyu; Putra, Harry Dwi
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 1 (2025): VOLUME 8 NUMBER 1, MARCH 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i1.22485

This research was motivated by the low results of the Higher Order Thinking Skill (HOTS) abilities of elementary school (SD) students. The low ability of students' Higher Order Thinking Skills is caused by the learning process carried out by the teacher not being in accordance with the learning characteristics related to learning models or approaches in solving problems related to everyday life. The aim of this research is to develop mathematics learning teaching materials, namely using student worksheets to improve the Higher Order Thinking Skills (HOTS) of class VII middle school students that are valid, practical and effective. This research is development research using 4D design. Data collection instruments used validation questionnaires, student response questionnaires, teacher response questionnaires and Higher Order Thinking Skill (HOTS) test instruments. Next, the data analysis technique is by finding the average assessment score and then converting it to the categories previously determined by the researcher. The results of the research stated that the students' worksheet learning teaching materials got an average score of 82 in the very valid category, and the practicality test of the students' aspects of Higher Order Thinking Skills got a score of 81.00 in the practical category. Then, testing the effectiveness of the Higher Order Thinking Skill, there was an increase of 13%, initially getting a score of 69.00 in the initial ability and increasing to 82.00 in the final score.

Implementation of Problem based Learning to Improve Students’ Mathematical Understanding Ability and Mathematical Connection Ability on Vocational School Komariah, Euis Nur; Nurdin, Irfan Taufik; Putra, Harry Dwi; Yuliani, Anik
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 1 (2025): VOLUME 8 NUMBER 1, MARCH 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i1.22888

In achieving educational goals, mathematical understanding and connection ability are very important for students. However, the fact is mathematical understanding and connection ability still very low. So, to achieve these learning objectives, a learning approach model is needed to improve students’ mathematical understanding and connection ability. The purpose of this study is to see the improvement of mathematical understanding and connection ability on vocational shool. In order to do so, we used quasi-experimental research by comparing groups with different treatments. One class as experimental using problem based learning model and another class as control using directed learning. We used mathematical understanding and connection ability test to collect the data. The results shows that mathematical understanding and connection ability improved by using problem based learning model. N-Gain for mathematical understanding ability is in high category and mathematical connection ability is in moderate category. Based on the results, we can conclude that problem based learning model can improve mathematical understanding ability and mathematical connection ability.

The Improvement of Students’ Mathematical Reasoning Ability and Mathematical Resillience using Contextual Teaching and Learning Assya, Lily Aulin; Putra, Harry Dwi; Sumarmo, Utari
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 1 (2025): VOLUME 8 NUMBER 1, MARCH 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i1.24645

This research is motivated by the low mathematical reasoning ability of students which is indicated by the difficulty in understanding math problems in the form of story problems, as well as the level of mathematical resilience of students in one of the private junior high schools in Indramayu towards mathematics subjects. The purpose of this study was to determine the effectiveness of Contextual Teaching And Learning Based on Augmented Reality learning which is seen based on the increase in students' mathematical reasoning abilities through Contextual Teaching And Learning Based on Augmented Reality learning And to find out the level of students' mathematical resilience. This research was conducted at a private junior high school based on an Islamic boarding school in Indramayu. The research was conducted in class IX using 2 available classes, namely class IX A with 28 students as the Experimental class and class IX B with 26 students as the Control class. This study uses a mix method with explanatory sequential design. The instruments used in this study include mathematical reasoning ability test instruments on the material of curved side space shapes and mathematical resilience scales. The results of this study indicate that Contextual Teaching and Learning based on Augmented Reality is effective in improving students' mathematical reasoning abilities and achieving student learning completion.

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