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Hipotenusa: Journal of Research Mathematics Education (HJRME)
Published by Universitas Muhammadiyah Lampung
ISSN : 26210630     EISSN : 2723486X     DOI : 1036269
Core Subject : Education,
Education Mathematics Other
Hipotenusa Journal of Research Mathematics Education (HJRME) is a peer-refereed open-access international journal which has been established for the dissemination of state-of-the-art knowledge in the field of mathematics education. This journal is founded under Department of Mathematics Education FKIP Universitas Muhammadiyah Lampung. Starting from 2020, HJRME would be published two times in a year (February & August). All submitted manuscripts will be initially reviewed by editors and are then evaluated by a minimum of two National Reviewers through the double-blind review process. This is to ensure the quality of the published manuscripts in the journal.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 86 Documents
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ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL PEMECAHAN MASALAH MATEMATIKA BERDASARKAN TEORI NEWMAN Ririn Rahmawati; Fertilia Ikashaum
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 4, No 2 (2021): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v4i2.499

Abstract

Problem solving ability is one of the mathematical abilities that need to be mastered by students to equip students in logical, analytical, systematic thinking and the ability to work well together. In addition, this problem solving ability is very important for students to train students in solving problems in everyday life. This study aims to analyze student errors in solving mathematical problem solving problems based on Newman's theory. The type of research used is descriptive qualitative. The subjects of this study were students of class VII-A SMP Muhammadiyah 1 Menggala. Data collection used in the form of tests, interviews and documentation. The results showed that the most mistakes made by students were in writing the final answer, which was caused because students did not understand the commands in the questions well. The second most common error is the transformation error caused because students do not have the skills to change the language of the problem into a mathematical model. The third error, namely misunderstanding the problem caused by students not being careful in writing down the information in the problem, and not getting used to writing down the information in the problem when solving math problems. The fourth error, namely the error of process skills caused by students not being careful in carrying out the calculation process
MEANINGFUL LEARNING DALAM PEMBELAJARAN MATEMATIKA Diki Irmawan; Deni Efendi; Fitria Lestari
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 4, No 2 (2021): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v4i2.500

Abstract

In the learning process not every student succeeds through the learning process done in other words not every student can achieve the learning objectives as expected. This is due to abstract mathematical concepts. Many factors influence it, including intelligence, learning readiness, interests, motivation, teacher abilities, maturity, family, school and community. The purpose of this study is to know the meaningful influence of learning on students' math learning outcomes. This research uses descriptive quantitative methods. The population in this study is all grade VII students of SMPN 1 Katibung Lampung Selatan. The results of the hypothesis test using the t-test showed the influence of meaningful learning application on improving the results of mathematics learning students of grade VII SMPN 1 Katibung south lampung. Students who apply meaningful learning have a higher average math learning outcome than the average student learning outcomes that do not apply meaningful learning. Thus, the application of meaningful learning can improve students' math learning outcomes.
LANDASAN PENYUSUNAN PROGRAM PEMBELAJARAN MATEMATIKA BAGI SISWA TUNAGRAHITA RINGAN Dela Devita; Dwi Desmayanasari
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 4, No 2 (2021): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v4i2.514

Abstract

Mentally retarded children or also called children with intellectual disability are children with below average intelligence who experience obstacles in adaptive behavior in the form of taking care of themselves and carrying out activities of daily living. Children with intellectual disability need special education and services to help them achieve optimal development. Children with mild intellectual disability require three basic skills, such as reading, speaking and arithmetic. The implementation of learning in the classroom, especially in learning mathematics requires learning modifications, so that they are in accordance with the individual conditions of intellectual disability students. Intellectual disability students have obstacles to think about something abstract, so in the preparation of learning programs the teacher is expected to; (1) understanding the characteristics of mild intellectual disability students, (2) conducting assessments, (3) being creative in modifying learning methods.
COLLABORATIVE LEARNING ON MATHEMATICAL CRITICAL THINKING SKILLS Tri Wahyudi; Noerhasmalina Noerhasmalina; Dwi Desmayanasari; Fitria Lestari
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 5, No 1 (2022): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v5i1.769

Abstract

This research is quasi experiment with research design "Posttest Only Control Group Design" which aims to determine the application influence of collaborative learning models on the critical thinking ability students i.e. case study on grade VIII even semester SMP 1 Kelumbayan Barat Tanggamus. Sampling techniques using Cluster Random sampling. The research sample consists of two classes, namely one class experiment class i.e. grade VIII B as many as 39 students and one class control class VIII A as many as 40 students. Data collection techniques are obtained through mathematical critical thinking tests, observations, and interviews. Based on the results of the analysis obtained that tcount = 3.39. Distribution table, at the level of 5% obtained tdaf = 1,667 and at the level of 1% tdaf = 2,382. Proven tcount > ttable. It can be concluded that the collaborative learning model affects the ability of mathematical critical thinking students. The average mathematical critical thinking ability of students who use the collaborative learning model is higher than the average mathematical critical thinking ability of students who use the conventional learning model.
PENGARUH PENGGUNAAN ALAT PERAGA TERHADAP HASIL BELAJAR MATEMATIKA SISWA Mawi Hendarto; Ayu Tasya
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 1, No 2 (2018): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v1i2.788

Abstract

In the learning process, not every student succeeds through the learning process carried out, in other words, not every student can achieve the learning objectives as expected, there are still many students who are less successful. In the process and learning outcomes can be successful or not influenced by many factors, including intelligence, readiness to learn, interest, motivation, teacher ability, maturity, family, school and community. Teaching aids in the teaching and learning process can generate desire and interest, generate motivation, stimulate learning activities and even psychological influence on students. The author in this study uses quantitative descriptive methods, data analysis using statistical formulas. The population in this study were all students of class X SMA Perintis 1 Bandar Lampung which consisted of 9 classes with a total of 398 students, while the sample was taken 2 classes, namely X.2 as the experimental class and X.3 as the control class. . Test the hypothesis by using the statistical formula t-test. From the results of hypothesis testing using the statistical formula t-test, the value of t = 4.62 is obtained. From the t distribution table at the 5% significant level, it is known that t = t = 1.993 and t = 1.67, while at the 1% significant level it is known that t = t = 2.65 and t = 2.39, this means t > t. So with this it can be said that there is an effect of the use of teaching aids on the mathematics learning outcomes of X SMA Perintis 1 Bandar Lampung students and the average mathematics learning outcomes of students who use teaching aids are higher than the average learning outcomes of students who do not use teaching aids. Thus, it can be said that the use of teaching aids is positive or can improve mathematics learning outcomes.
PENINGKATAN KEMAMPUAN PEMAHAMAN MATEMATIS PESERTA DIDIK MENGGUNAKAN MEDIA VIDEO PEMBELAJARAN PASCA COVID-19 Nurshifa Nurshifa; Dwi Desmayanasari; Noprisa Noprisa; Fitria Lestari
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 5, No 1 (2022): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v5i1.771

Abstract

This study aims to determine the improvement of students' mathematical understanding skills using instructional video media. This research was conducted at one SMP Negeri 3 Tanjung Bintang, South Lampung 2021/2022. The subjects in this study were students of class VIII consisting of an experimental class and a control class, each of which was opened by 30 students. The samples were taken in this study using a purposive sampling technique. Data collection in the form of pretest and posttest. Pretest and posttest were used to measure mathematical understanding ability. The results showed an increase in the mathematical understanding of the experimental class 81,187 and the control class 71,349 t test resulted in a value of sig (2-tailed ) = 0.000 < 0.05 then H0 was rejected so that the average score for increasing the understanding of mathematical concepts in the experimental class was better than the average score. control class improvement.
PENGARUH PENERAPAN STRATEGI THINK TALK WRITE (TTW) DENGAN BANTUAN LEMBAR KERJA SISWA (LKS) TERHADAP HASIL BELAJAR MATEMATIKA SISWA Despi Rahma; Endriyeni Endriyeni
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 1, No 2 (2018): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v1i2.789

Abstract

The success of students in learning is not only determined by the level of students' ability in mastering the concepts of the material that has been taught by the teacher, it is also influenced by the learning situation. With a good level of ability, students are easier to absorb and master the material presented. A good situation will allow students to interact with the teacher and with other students, in solving the problems they face. Think talk write strategy can generate desire and interest in learning, generate motivation, stimulate learning activities and even have a psychological effect on students.In this study the method used is a quantitative method. The population in this study were 7th grade students of SMP N 25 B. Lampung, totaling 219 students and 62 students as the research sample. The sampling technique used cluster random sampling technique. The research instrument used a test question in the form of an essay, in the test there were 10 question items. To find out the quality of the instrument, the validity test uses logical validity by means of construction validity and for the reliability test, the result is 0.844, thus it is included in the high category. The results obtained thit = 6.56 For a significant level of 5% obtained tdaf = 2.00 For a significant level of 1% obtained tdaf = 2.66. In accordance with the criteria for rejecting Ho if thit > t(1-1/2) then Ha is accepted. So reject Ho, which means the application of the use of think talk write strategy can improve students' mathematics learning outcomes or Ha is accepted. (1) The application of think talk write strategy can improve students' mathematics learning outcomes. (2) Students' mathematics learning outcomes with the application of think talk write strategies are higher than students' mathematics learning outcomes without using think talk write strategies.
ANALYSIS OF STUDENTS' CREATIVE THINKING IN SOLVING PROBLEMS OPPORTUNITIES BASED ON STUDENTS' LEARNING Nazilatun Ni&#039;mah; Ali Shodikin
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 5, No 1 (2022): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v5i1.733

Abstract

The purpose of this research is research in creative thinking on student learning with opportunity material. The research method used is a qualitative research method, tajing the subject of class VIII junior high school students in 2021/2022. Based on the results of the discussion on creative thinking skills, students are given to obtain information on creative thinking skills on the opportunity material that has been taught.
ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS SISWA DALAM MENYELESAIKAN MATERI BANGUN RUANG Eka Trisnawati; Nina Riana
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 1, No 2 (2018): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v1i2.785

Abstract

Mathematical communication skills that need to be developed through learning so that students are able to communicate ideas, thoughts, or opinions in learning mathematics. considering the importance of mathematical communication skills, a teacher should be able to build students' mathematical communication skills. Through mathematical communication students can express their understanding both orally and in writing, while students who have low learning abilities will find it difficult to achieve good learning outcomes. This study aims to: (1) determine the percentage of students' abilities in solving geometrical problems, (2) find out the causes of students' difficulties in solving geometrical problems, (3) find out how to overcome students' difficulties in solving spatial problems. . In this research, the method used is descriptive qualitative method. The population in this study were students of class VIII SMP Negeri 5 Bandar Lampung with a total of 187 students and took 30 students as research samples. Based on the results of the study, it can be obtained: (1) students who are able to solve geometrical problems are 62.99% and those who have difficulty are 37.01%, (2) the causes of students experiencing difficulties in solving spatial problems are: students do not understand the concept of space in applying to a question, students are not careful in working on every question that exists, (3) how to overcome student difficulties, namely: increasing students' ability to understand the concept of building space by giving emphasis when delivering material, doing more in the form of evaluation exercises. exercises at the end of each learning activity, and giving homework to finalize the material that has been delivered and shows that the indicators of mathematical communication are writing (writing), drawing (drawing), mathematical expressions (expression mathematic). The indicator with the highest percentage is writing (writing) and the indicator with the lowest percentage is mathematical expression (mathematical expression) this is because students have difficulty expressing mathematics in the form of symbols.
PENGEMBANGAN MODEL PBL DALAM UPAYA MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA SMA Ali Wardana; Anwar Ardani
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 5, No 1 (2022): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v5i1.746

Abstract

The purpose of this study was to test learning tools with valid PBL models, learning with practical PBL models, and developing tools with PBL mood models to improve students' critical thinking skills with PBL models. This research is an R&D research. The instrument used is a test to measure critical thinking skills. The learning device is valid based on the average expert validation score in the good category, practical from the practicality score of student responses, and effective as seen by the increase in the paired sample t test. The results of this study are learning tools with a valid PBL model, learning with practical PBL models, and the development of tools with PBL mood models improve students' critical thinking skills with the PBL model.

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