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Anggun Badu Kusuma
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AlphaMath: Journal of Mathematics Education
Published by Universitas Muhammadiyah Purwokerto
ISSN : 2477409X     EISSN : 25499084     DOI : https://doi.org/10.30595/alphamath
Core Subject : Education,
Mathematics
AlphaMath: Journal of Mathematics Education adalah jurnal pendidikan matematika yang menyajikan artikel hasil pemikiran dan penelitian serta perkembangan mutakhir. Alphamath merupakan jurnal peer reviewed dan open access. Alphamath diterbitkan oleh Prodi Pendidikan Matematika Universitas Muhammadiyah Purwokerto. Alphamath mengundang para guru/pendidik matematika di sekolah, dosen, pengamat, dan peneliti pendidikan matematika di seluruh dunia untuk bertukar pikiran dan memajukan keilmuan di bidang pendidikan matematika. Cakupan dan lingkup penelitian meliputi: kurikulum pendidikan matematika, pembelajaran matematika yang inovatif dan kreatif, media pembelajaran matematika, penilaian dan evaluasi pembelajaran matematika, lesson study, kemampuan berpikir matematis, dan ICT dalam pembelajaran matematika.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 179 Documents
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Obstacle to Learning Algebra in Elementary Schools Eza Fauziah; Dindin Abdul Muiz Lidinillah; Ika Fitri Apriani
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.18612

Abstract

This research is based on the results of a preliminary study which identified students' learning barriers in algebraic multiplication and division material in elementary schools. Students do not fully understand the concept of algebraic multiplication and division due to learning obstacles related to limited didactic designs made by teachers. Learning obstacles experienced by students must be anticipated through a learning process that is able to overcome these problems. The researcher developed a didactic learning design using a Realistic Mathematics Education (PMR) approach. The aim of this research is to determine the learning obstacles experienced by students, develop didactical designs for algebraic multiplication and division, describe, test, and describe the designs that have been created. The research method used in this research is Didactical Design Research (DDR). This method consists of three stages, namely didactic situation analysis before learning in the form of Hypothetical Learning Trajectory (HLT) and Pedagogical Didactic Anticipation (ADP), metapedadidactic analysis and retrospective analysis. The data collection technique used is triangulation which combines observation, interviews and documentation. The design development process was carried out in class V with a total of 18 students, and the preliminary study stage was carried out in class IV at SDN 1 Sukamanah with a total of 22 students, and class IV at SDN Sukamulya with a total of 16 students. This research produces data regarding student barriers to multiplication and division material, didactical design in the form of teaching materials, student worksheets (LKPD), to minimize students' learning barriers to multiplication and division material in algebra.
Student Worksheets (LKPD) With Problem Based Learning (PBL) Model On Social Arithmetic Materials In Class VII SMP/MTs Zakia Tussholeha; Sri Rezeki; Suripah Suripah
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 1, May 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i1.15159

Abstract

This research is a development research that aims to produce learning tools with Problem Based Learning (PBL) model. Learning tools developed in the form of Student Worksheets (LKPD). Mathematical material used in this study is social arithmetic material. This study uses an R & D development method with a 4-D model which has several stages, namely (1) Define , (2) Design , (3) Develop  , (3) Disseminate . The instrument for collecting research data was in the form of a student worksheet validation sheet which was validated by 2 lecturers of Mathematics Education FKIP UIR and 2 teachers of mathematics studies at SMPN 1 Siak Kecil and student response questionnaire sheets. The data collection technique used is the validity test of the student worksheets and the practicality test of the student worksheets. The analysis technique used is the validity technique and the practicality technique. From the results of the study, the results of the validation of the student worksheets were 92.44% with a very valid validation level. And the results of the practicality of student worksheets are 87.84% with a very practical level of practicality. Based on the results of this study, it can be concluded that the development of Student Worksheets with the Problem Based Learning  (PBL) model on social arithmetic material in class VII SMP/MTs is very valid, very practical and suitable for use in the learning process.
The Influence of a Heuristic Approach with Blended Learning on Students' Critical Thinking Abilities Delia Oktaviana; Uus Kusdinar
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.14237

Abstract

The students lack of habit in critical thinking is the background in this research. Lack of abilities due to the use of conventional learning models, so that learning activities are passive. The purpose of this study was to determine whether heuristic learning with blended learning method had an effect on the critical thinking skills of eight grade students of SMPN 12 Yogyakarta. This research is a type of quasi experimental. The population in this study were student of class VIII SMPN 12 Yogyakarta. Where class VIII D is the control class and VIII E class is the experimental class. The object of this research is the use of a heuristic approach with the help of the blended learning method. Data collection was carried out using test techniques. The instrument use in collecting data about students critical thinking skills. The test instrument used is the content validity test. Data processing is done by using descriptive analysis and inferential analysis. Based on the research that has been done, this study shows that the use of a heuristic learning approach with the help of eighth grade students if SMP N 12 Yogyakarta. The result of this study can see from the result of tcount = 2.142 and ttable = 1.99 which means that tcount­ > ttable so it can be said if there is an effect of using a heuristic approach with the help of the blended learning method on student’s critical thinking skills. 
Development of Teaching Materials on Sine and Cosine Rules based on Flipbook for Mathematics Education Students Anggy Heriyanti; Nurjannah Nurjannah; Andi Baso Kaswar; A. Mutahharah Mutahharah
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 1, May 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i1.14556

Abstract

The purpose of this research is to produce a product in the form of a teaching material as a medium in studying the sine and cosine rule material. This study was development research that was designed using the ADDIE (Analysis, Design, Development, Implementation, Evaluation) model. To obtain valid and effective teaching materials, the validity of the research instrument was tested and the validity of the developed teaching materials was tested. The teaching materials that have been implemented are then assessed by the research subjects to determine their effectiveness. The results obtained are: flipbook-based teaching materials on the sine and cosine rule materials are declared to meet the validity and effectiveness. These results were obtained after being tested for validity by experts which consisted of validating teaching materials in the form of teaching materials and problem-solving questions, all of which were in the very valid category, namely 3.76. Meanwhile, for display validation, it is in the very valid category with the average validator value of 3.56. Teaching materials are declared practical based on the results of the analysis, there are 97.1% of respondents who rate the attractiveness of teaching materials, 88.6% of respondents who assess interest/motivation, 89.4% of respondents who rate ease of use, and 95.7% respondents who assess the functioning of teaching materials. Teaching materials are declared effective based on the results of the analysis, there are 96.3% of respondents who rate the material, 87.6% of respondents who rate problem solving, and 90.9% of respondents who rate visual communication.
Math Learning Outcomes with Cooperative Learning Model (STAD) Reviewed from Students’ Self Efficacy Alifi Nur Hidayah; Kertono Kertono; Suciati Suciati
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.18955

Abstract

This study aims to determine the effectiveness of the STAD cooperative learning model in terms of students' self-efficacy towards mathematics learning outcomes, particularly in the topics of Least Common Multiple (KPK) and Greatest Common Divisor (FPB), for fourth-grade students at SD Negeri Manyaran 02, divided into two learning groups: Class IV.A with 25 students and Class IV.B with 24 students. The research design employed in this study is quasi-experimental. Quasi-experimental research is conducted under conditions that do not allow for full control. Data collection utilized questionnaire and test techniques, followed by data analysis using a two-way ANOVA and further post hoc tests (multiple comparisons). Based on the tests, the test instrument was declared valid, with difficulty index reaching ???? < 0.30 for difficult criteria and ???? > 0.70 for easy criteria, as well as a reliability index of ????11 > 0.70. The study findings indicate that there is no significant effect of the STAD cooperative learning model on mathematics learning outcomes when viewed from the self-efficacy of fourth-grade students. However, the relationship between the STAD model and self-efficacy in mathematics learning outcomes shows positive results. Students with higher self-efficacy indices are proven to have better learning outcomes compared to those with lower self-efficacy levels.
Cover and Table of Content AlphaMath: Journal of Mathematics Education
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 1, May 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i1.17637

Abstract

FOREWORDAssalamu’alaikum Wr. Wb.                                                                 Praise the presence of Allah SWT for all the overflow of His Rahmat so that we can publish the journal AlphaMath volume nine number one. The creation of the journal AlphaMath aims to develop the writing culture of educators for both teachers and lecturers. In addition, the journal AlphaMath also seeks to accommodate all aspirations, ideas, and potentials related to the world of education. The publication of this journal is presented in line with the vision and mission of the Mathematics Education Department Universitas Muhammadiyah Purwokerto. The concept and mission are superior in developing the education profession and mathematical competence.The scope of the material in this journal is related to the world of mathematics education. This is to obtain innovations in teaching and ideas from educators to disseminate. Hopefully, this journal will always be evaluated to improve its quality. In this issue, the journal AlphaMath features nine articles related to model learning, mathematical ability, and technology utilization. The authors of the journal come from various educational institutions.Hopefully, this AlphaMath journal can provide benefits for readers and educational actors. Wassalamu’alaikum Wr. Wb.
Smart Apps Creator (SAC) Assisted Comic Media Development in Optimizing Visual Spatial Intelligence Asri Wahyuni; Supratman Supratman; Puji Lestari
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 1, May 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i1.15314

Abstract

This study aims to produce SAC-assisted comic media and analyze the effectiveness and quality of using comics media to optimize students' visual-spatial intelligence. This research is a Research and Development (R&D) research using a 4D development model, which includes four stages: define, design, develop, and disseminate. In the "define" stage, the researcher did observations and interviews and distributed questionnaires to teachers and students. In the "design" stage, the researcher made prototypes of media development and visual-spatial intelligence test questions. At the "develop" stage, small group trials were conducted with three mathematics teachers and five students in class XI. Furthermore, a product revision was carried out, which was then the product of the revised result, which tested again in a large group, namely the class XI students of SMK Islam Madani consisting of 25 people. Finally, in the "disseminate" stage, socialization was carried out with mathematics teachers at the school where the researcher took the subject. The population in this study are mathematics teachers and students of class XI SMK Islam Madani, Kab. Tasikmalaya, West Java, with three mathematics teachers and 25 students of class XI majoring in Multimedia as the subjects. The research instruments used in this study were Teacher and Student Response Questionnaires and Visual Spatial Intelligence Test Questions.  The results showed that the comic learning media is in the category suitable for use by students, with the calculation of the teachers’ and student's response questionnaires having very good interpretations. Furthermore, the quality of the effectiveness of the visual-spatial intelligence of students after using comics learning media on geometry material gets a value of 1.58 with the "strong effects" criteria so that the SAC-assisted comic learning media is effectively used in learning.
Self Efficacy of Prospective Mathematics Teacher on Numerical Literacy Based on Lesson Study Mu&#039;jizatin Fadiana; Afifaftun Nikmah; Abdul Hasan
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.14362

Abstract

One of the instruments used in National Assessment is Minimum Competency Assessment. In this assessment, there are two types of competencies that are measured, they are reading literacy and numeracy literacy. In the process of developing numeracy literacy skills for students, one of the determining factors is the teacher. The purpose of this study was to describe the self-efficacy of prospective mathematics teacher students towards numeracy literacy in lesson study-based learning activities. This research was conducted at Mathematics Education Study Program, PGRI University of Ronggolawe in 2021/2022 academic year. The subjects in this study were 28 students who were taking Ethnomathematics courses. The instrument used is an observation sheet and a self-efficacy scale on numeracy literacy. The research method used is lesson research with lesson study which has three stages in each cycle, namely plan, do and see. The research was carried out in 3 cycles. Based on the data analysis, it was found that the students' self-efficacy towards numeracy literacy was mostly in the medium category.
Analysis of Algebra Communication Skills and Creative Thinking Skill Levels: In Terms of Cognitive Style Wieka Septiyana; Ramzil Huda Zarista; Roudotul Hasanah
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 1, May 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i1.15950

Abstract

The students have difference in cognitive style. This research aimed to describe and analyze students’ communication skills and creative thinking skill level in view of field dependent and independent cognitive style on algebraic concept. Algebra communication skill is essential skill needed for solving mathematical problems. Algebra must be mastered by the students because related to other materials. Algebra topic analyzed in this study is quadratic equation word problems. The indicators of communication skill include (1) able to state the situation into mathematical notations, structures or symbols, (2) able to demonstrate and describe unique algorithms in problem solving, and 3) able to construct and explain real-world phenomena in graph, sentence, equation, table or other presentation. The student level of creative thinking skill can be seen from fluency, flexibility and novelty. This research used a mixed-method. The object were 16 students of junior high school in Tangerang. The data collection techniques used test and interview. Cognitive styles are grouped using the Group Embedded Figure Test (GEFT) which divide the students into field dependent (FD) and field independent (FI). The results of the study indicated that algebra communication skill of students with FD and FI were not different significantly in problem solving. Both are able to understand the problems into mathematical expressions, but not all groups state the correct mathematical equations. The students used different strategy to solve the problems. FD students used less detailed strategy, incomplete analysis, think generally, and not quite precise in writing mathematical equations, while FI students provided detailed explanations, better accuracy, think more flexibly, and state mathematical equation precisely. In general, they have same creative level.
The Effect of PBL Model on Students' Mathematical Problem-Solving Ability Based on HOTS Questions Rohyati Rohyati; Joko Purwanto
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.19119

Abstract

Problem-solving is a practical approach to stimulating higher-order thinking skills. The strategy that can be used is to apply a learning model, one of which is Problem-Based Learning (PBL). This study aimed to determine the effect of PBL on the ability to solve mathematical problems based on higher-order thinking Skills (HOTS) at SMA Negeri 1 Baturraden. This study used a quantitative approach with a quasi-experimental method. The research design used was post-test-only. The research sample was taken using the cluster random sampling technique. The research instrument used was a mathematical problem-solving ability test based on HOTS questions. Data analysis was conducted using an independent sample t-test. The results showed that students who participated in PBL learning had better mathematical problem-solving skills based on HOTS questions than students who participated in conventional learning. In PBL learning, students will be able to (1) Students better understand the concept; (2) in learning activities, students are actively involved; (3) the learning process is more meaningful; (4) Can motivate and increase student interest in the material being studied; (5) Can emphasize positive social attitudes towards other students, such as accepting other people's opinions; (6) There is interaction between learners and their friends to achieve learning completeness; (7) Able to foster student creativity both individually and in groups.

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