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Mandalika Mathematics and Educations Journal
Published by Universitas Mataram
ISSN : 27158292     EISSN : 27151190     DOI : 10.29303/jm
Core Subject : Education,
Mathematics
Mandalika Mathematics and Education Journal adalah Jurnal Matematika dan Pendidikan Matematika yang dikelola oleh Program Studi S1 Pendidikan Matematika FKIP Universitas Mataram. Fokus dan ruang lingkup dari jurnal ini adalah artikel ilmiah baik berupa hasil penelitian, review artikel maupun kajian pustaka khusus bidang Matematika dan Pendidikan Matematika.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 296 Documents
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Pengembangan LKPD Berbasis Discovery Learning untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa Kelas VIII SMPN 4 Mataram Hidayah, Amanatul; Subarinah, Sri; Pramestie Wulandari, Nourma; Baidowi, Baidowi
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6577

Abstract

This study aims to produce students worksheet based of discovery learning to improve the problem solving ability of grade 8th student at Junior High School 4 Mataram on the subject of system of two variables linear equations that are valid, practical, and effective. This research is research and development (R&D) using ADDIE development model (Analysis, Design, Development, Implementation, And Evaluations). The subjects were 32 students. Data collection was carried out using a questionnaire and student problem solving abilities test. Data analysis  techniques use validity, practicality and effectiveness testing. The result shows that:1) Students worksheet based on discovery learning on the subject of system of two variables linear equations has valid categories, with the results was 84%. 2) The practicality at 90% was in excellent categories, and 3) The effectiveness at 0,71 was in good categories. Based on these results, it was concluded that students'' worksheets based of discovery learning have been valid, practical, and effective, and can be used in learning activities to improve problem solving ability of students.
Profil Kemampuan Pemecahan Masalah Matematika dalam Menyelesaikan Soal Garis Singgung Lingkaran Berdasarkan Langkah Polya Ahmad, Abtholuddin Ahmad; Arjudin, Arjudin; Novitasari, Dwi; Sridana, Nyoman
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6582

Abstract

This research aims to determine the level and describe the characteristics of students' mathematical problem-solving abilities in solving tangent line problems based on Polya's steps. This research is a descriptive study with a quantitative and qualitative approach to further identify the problem-solving ability profiles performed by subjects based on Polya's stages. Data collection techniques used were tests and interviews. The test instrument consists of 2 items (determining the equation of a tangent line at point x1, y1 and determining the equation of a tangent line with gradient m) with explanatory answers and interview guidelines. There were 6 subjects in this study, with 2 students each in the high, medium, and low categories selected using purposive sampling technique. Data analysis techniques used both quantitative and qualitative data analysis techniques. The results of the study indicate (1) the level of problem-solving ability of students in the high and medium categories is 47.05%, and 5.9% in the low category, (2) students with high problem-solving abilities were able to solve problems according to all of Polya's steps, students with medium category were able to solve tangent line problems based on Polya's steps in understanding the problem and executing the solution only, while students with low category were only able to solve the equation of a tangent line at point x1, y1 in the problem understanding and execution stage.
An Analisis Epistemological Obstacle Berdasarkan Kesalahan Menyelesaikan Soal Matematika Materi Segitiga Siswa Kelas VII SMP Negeri 3 Mataram Tahun Ajaran 2022/2023 Ainun, Yusri; Sridana, Nyoman; Kurniati, Nani; Sarjana, Ketut
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6650

Abstract

This research aims to describe epistemological obstacles based on errors in solving mathematics problems related to triangle material for class VII students at SMP Negeri 3 Mataram. This research method uses a qualitative descriptive method with data collection methods including diagnostic tests and questionnaires. The sample was selected from class VII-4 of SMP Negeri 3 Mataram where the sample search method was carried out using tests. Determination of the sample using a purposive sampling technique. The sample selected was six students based on the results of tests and grouped into three groups with each group consisting of 2 students in the high, medium, and low error category and then given a questionnaire. The results of the research show that the types of epistemological obstacles experienced by students are conceptual epistemological obstacles with a percentage of 56.99%, procedural epistemological obstacles with a percentage of 95.70%, and operational technique epistemological obstacles with a percentage of 79.57%. For students with a high error category, the percentage of conceptual epistemological obstacles is 100%, procedural epistemological obstacles are 100%, and operational technique epistemological obstacles are 100%. Meanwhile, for students with the moderate error category, the percentage of conceptual epistemological obstacles was 66.67%, procedural epistemological obstacles were 100%, and operational technique epistemological obstacles were 89.86%. Finally, for students in the low error category, the percentage of conceptual epistemological obstacles was 5.56%, procedural epistemological obstacles were 72.22%, and operational technique epistemological obstacles were 33.33%.
Pengembangan E-Modul Matematika Berbasis Etnomatematika Tanimbar Batkunde, Yoseph; Nifanngelyau, Jakobus
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6710

Abstract

The purpose of this study was to develop a Tanimbar ethnomathematics-based mathematics learning module. The sample used in this study amounted to 31 people consists of 7 students and 1 teacher for small group try outs and 20 students and 3 teachers for try outs in learning. The instruments and data collection techniques used in this study were questionnaires, observations, tests, and interviews to obtain data on the quality of teaching material products in the form of Tanimbar ethnomathematics-based mathematics e-modules obtained during the e-Module try out. The data analysis technique uses a quantitative approach, input, responses, criticism and suggestions for improvement through questionnaires and the results of the learning outcomes achievement test, while qualitative data is obtained from observations and interviews on the use of Tanimbar ethnomathematics-based mathematics e-Modules. The final conclusion shows that the development of Tanimbar Ethnomathematics-based Mathematics E-Modules is very valid and feasible to use for junior high school student’s learning with a percentage of 91.7% and obtaining try out results in learning with an average value of student completeness on PB1 and PB2 is 88.5% with a very good category.
Pengembangan Modul Ajar Berbasis Etnomatematika pada Materi Bangun Datar untuk Peserta Didik Kelas V SD/MI Azizah, Irsya; Karim, Karim; Suryaningsih, Yuni
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6712

Abstract

Mathematics learning, especially on the concept of geometry, presents more examples or models of geometric shapes, both planes figure and solid figure that are less relevant to the students’ lives, this renders mathematical learning less meaningful. To provide meaningful mathematics learning, abstract learning should be assisted by media that concretizes the abstractness. One of the breakthroughs in learning mathematics for teachers is developing ethnomathematics-based mathematics learning. Teaching modules based on ethnomathematics are expected to be a means of increasing students' understanding of the material and introducing local culture. The purpose of this research is to produce teaching modules based on the Merdeka Curriculum on planes figure material for 5th grade students in elementary school that are valid, effective and practical. The research method used is development, namely Research and Development (R&D) using the Plomp development model which consists of the initial investigation phase, design phase, realization/construction phase, and test, evaluation and revision phase. Data analysis techniques used validation instruments, end-of-learning evaluation tests, and teacher and learner response questionnaires. Based on the results of the assessment of the validator obtained a value of 3.76 with a valid category. Based on the results of the final learning test that has been analyzed, the value is 88.89% with a very effective category. Based on the results of the teacher response questionnaire that has been analyzed, a value of 95.83% with a very practical category is obtained and the results of the student response questionnaire that has been analyzed are 87.19% with a very practical category. Thus, the teaching module based on the independent curriculum on plane figure material for fifth grade students can be declared valid, effective, and practical.
PENGARUH PENERAPAN MODEL EEK PADA PEMBELAJARAN PGL TERHADAP HASIL BELAJAR SISWA KELAS VIII SMPN 1 JONGGAT Sakti, Agung purnama; Sripatmi, Sripatmi; Lu’luilmaknun, Ulfa; Turmuzi, Muhammad
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6729

Abstract

This research aims to determine whether there is an influence of the exploration, elaboration and confirmation (EEK) model in learning straight line equations on the learning outcomes of class VIII students at SMPN 1 Jonggat in the 2023/2024 academic year. This Quasi Experimental Research was designed using a post-test only non-equivalent control group design. The population in this study were all class VIII students at SMPN 1 Jonggat for the 2023/2024 academic year. Two classes were chosen as samples, namely class VIII B as the experimental class and class VIII A as the control class. The instruments used in this research were student learning outcomes tests (post-test), RPP, LKPD and observation sheets. The analysis technique used is parametric statistics with the result t_count = 5.93 > t_(table ) = 2.00 which shows that there is a difference in the average learning outcomes of the experimental group and the control group. Where the average learning outcomes of the experimental group are higher than the average learning outcomes of the control group. The effect size test results obtained a d value of 1.5 with high criteria. So it can be concluded that there is a high influence in the use of exploration, elaboration and confirmation models on the learning outcomes of class VIII students at SMPN 1 Jonggat.
Pengaruh Pendekatan PMRI Terhadap Kemampuan Pemahaman Matematis Peserta Didik Pada Pembelajaran Matematika Kelas VII SMP Bellinda, Bellinda; Pandra, Viktor; Fauziah, Anna
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6731

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pendekatan PMRI terhadap kemampuan pemahaman matematis siswa pada mata pelajaran Bangunan Luar Angkasa. Penelitian ini dilakukan di SMPN B. Srikaton. Metode yang digunakan adalah desain penelitian Quasi Experimental Design dan Nonequivalent Control Group Design. Dalam penelitian ini teknik pengambilan sampel yang digunakan adalah simple random sampling. Dari tujuh kelas populasi diambil dua kelas sampel yaitu kelas VII. 3 sebagai kelas eksperimen dan VII. 2 sebagai kelas kontrol. Data kemampuan pemahaman matematis diperoleh dari skor pre-test dan post-test. Data dianalisis menggunakan uji t sampel independen. Hasil penelitian menunjukkan bahwa kelas eksperimen mempunyai kemampuan pemahaman matematis yang lebih tinggi dibandingkan kelas kontrol. Hal ini dibuktikan dengan analisis statistik menggunakan uji Independent Sample T Test yang menunjukkan bahwa thitung > ttabel yaitu 3,30 > 1,67 dengan tingkat signifikansi 0,05, sehingga dapat disimpulkan bahwa pendekatan PMRI berpengaruh signifikan terhadap kemampuan pemahaman matematis siswa dibandingkan dengan yang menggunakan pembelajaran. Penelitian ini bertujuan untuk mengetahui pengaruh pendekatan PMRI terhadap kemampuan pemahaman matematis siswa pada mata pelajaran Bangunan Luar Angkasa. Penelitian ini dilakukan di SMPN B. Srikaton. Metode yang digunakan adalah desain penelitian Quasi Experimental Design dan Nonequivalent Control Group Design. Dalam penelitian ini teknik pengambilan sampel yang digunakan adalah simple random sampling. Dari tujuh kelas populasi diambil dua kelas sampel yaitu kelas VII. 3 sebagai kelas eksperimen dan VII. 2 sebagai kelas kontrol. Data kemampuan pemahaman matematis diperoleh dari skor pre-test dan post-test. Data dianalisis menggunakan uji t sampel independen. Hasil penelitian menunjukkan bahwa kelas eksperimen mempunyai kemampuan pemahaman matematis yang lebih tinggi dibandingkan kelas kontrol. Hal ini dibuktikan dengan analisis statistik menggunakan uji Independent Sample T Test yang menunjukkan bahwa thitung > ttabel yaitu 3,30 > 1,67 dengan tingkat signifikansi 0,05, sehingga dapat disimpulkan bahwa pendekatan PMRI berpengaruh signifikan terhadap kemampuan pemahaman matematis siswa dibandingkan dengan yang menggunakan pembelajaran konvensional.
Pengaruh Penerapan Model Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Teorema Pythagoras Pada Siswa Kelas VIII SMPN 1 Suralaga Tahun Ajaran 2023/2024 aini, rohmiatun; Sripatmi; Salsabila, Nilza Humaira; Baidowi, Baidowi
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6831

Abstract

This study aims to determine the effect of problem-based learning models on students' Pythagorean theorem problem solving ability. This research was carried out at SMPN 1 Suralaga for the 2023/2024 school year. The type of research used is a quasi experiment. The population in this study were class VIII students of SMPN 1 Suralaga for the 2023/2024 academic year. The sample was 44 students consisting of 22 experimental class students and 22 control class students. The data collection techniques used are observation and tests. While the research instrument consists of observation sheets, problem-solving ability test sheets, lesson implementation plans and student worksheet. Data taken with t-test, obtained acceptable results    accepted, there is a difference in the problem-solving ability of the Pythagorean theorem in students whose learning used the problem-based learning model with students who used the direct learning model. The average posttest result for the experimental class was higher than the control class, namely 82.41>75,00.  This shows that there is an influence of the problem based learning model on the Pythagorean theorem problem solving abilities of class VIII students at SMPN 1 Suralaga using the effect size test, obtained d=0.67, which means the influence given is in the medium category.
Analisis Kemampuan Pemecahan Masalah Higher Order Thinking Skill (HOTS) Siswa Berdasarkan Gaya Kognitif Field-independent dan Field-dependent Satila, Susena; Prayitno, Sudi; Novitasari, Dwi; Baidowi, Baidowi
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6846

Abstract

This study aims to describe the HOTS problem silving ability of studentsin solving quadratic eguation problem based on field-independent and field-dependent cognitive styles. The type of research used is descriptive qualitative research. The subjects in this study were 6 grade 9th students in one of the State MTs in Mataram city consisting of 3 field-independent students and 3 field-dependent students seleceted by purposive sampling technique. Data collection was conducted using the GEFT test instrument, HOTS problem solving test questions, and interview guidelines. The data analysis technique used the Miles and Huberman stages, which include data reduction, data presentation, and conclusion drawing. The results of the study showed that: (1) Students with field-independent cognitive style had a very good level of problem solving ability in the stages of understanding the problem, executing the plan, and checking back, and a good category in the planning stage; (2) Students with field-dependent cognitive style had a very good level of HOTS problem solving ability in the stage of understanding the problem, a low category in the planning stage and executing the plan, and a very low category in the checking back stage.
Pengembangan Media Pembelajaran Matematika Berbasis Android Menggunakan Smart Apps Creator pada Materi Perbandingan untuk Siswa Kelas VII UPTD SMP Negeri 5 Kupang Lagu, Diesnilya; Samo, Damianus Dao; Blegur, Irna Karlina Sensiana
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6863

Abstract

The development of the use of Android-based smartphones among the people of Indonesia is used in various fields, including the field of education. One software that can be used to implement Android-based learning is smart apps creator (SAC). Therefore, this study aims to develop android application-based mathematics learning media on class VII UPTD SMP N 5 Kupang comparison material that is valid, practical, and effective. The method used in this study is the Research and Development (R&D) method using the ADDIE model which consists of 5 stages, namely analysis, design, development, implementation, and evaluation. The data collection techniques used in this study were interviews, questionnaires, and learning outcomes tests. Data analysis techniques in this study are qualitative data analysis and quantitative data analysis. The results showed that the application met the eligibility criteria that were valid, practical, and effective in the comparison material. The average total validity of learning media by 3 media and material experts is 4.25 so that android application-based mathematics learning media is included in the valid category, subject teacher responses with an average response result of 4.67, responses from small-scale students are 4.7 and large-scale student responses are 4.45 so that android application-based mathematics learning media is included in the practical category,  and the percentage of small-scale learning completeness results obtained 80% included in the effective category and large-scale learning completeness results 88.88% so that mathematics learning media based on android applications that have been developed are included in the very effective category.

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