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Salsabila, Nilza Humaira
Mathematics Education Department, Faculty Of Teacher Training And Education, Universitas Mataram. Jl. Majapahit No. 62, Mataram, West Nusa Tenggara, 83115
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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.
Penerapan Model PBL Berbantuan Media Pembelajaran Interaktif untuk Meningkatkan Kemampuan Berpikir Kritis Siswa Noviyanti, Baiq Elisa; Baidowi; Salsabila, Nilza Humaira; 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.v6i1.6873

Abstract

This study aims to determain to increase the student’s ability to think more critize in number pattern material matery class VIII MTsN 1 Lombok Barat 2023/2024 with PBL model with interactive lesson media. The methode that used in this research is experimental methode. This research have been taken in two classes, the first one is experimental class and the other one is control class. The experiment class is used PBL model with interactive lesson media. Meanwhile, the control class is used PBL model. The instrument that used in this research is interactive PPT and the instrument that used in collecting data is the ability test of critical thinking. The average score of theexperimental class was 72.03 and the average score of the controlclass was 59.72. This means that learning using the PBL model assisted by interactive learning media is more effective than learning using the PBL model. The initial average score ofexperimental class students was 67.55 after applying the PBLmodel assisted by interactive learning media obtained an averagescore of 72.03. This shows that there is an increase of thestudent’s in critical thinking skills of number pattern material ofgrade VIII MTsN 1 Lombok Barat 2023/2024 after applying thePBL model assisted by interactive learning media.
Pengaruh Model Pembelajaran Kooperatif Tipe Make A Terhadap Motivasi dan Hasil Belajar Materi Pertidaksamaan Linear Satu Variabel Kelas VII SMPN 3 Mataram Tahun Ajaran 2023/2024 Nufus, Hayatul; Baidowi, Baidowi; Humaira Salsabila, Nilza; Hikmah, Nurul
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.v6i1.7035

Abstract

The purpose of this study was to determine the effect of the cooperative learning model type make a match on the motivation and learning outcomes of mathematics in class VII students of SMPN 3 Mataram. The research design used is Quasi Experimental Design. The sampling technique used is probability sampling where class VII-1 is the control class and VII-2 is the experimental class. Based on the results of the study, the average score of the mathematics learning motivation of students in the experimental class is 61.3 with a high category, while the control class got an average score of 42.52 with a medium category. The results of the study, the average value of the mathematics learning outcomes of students in the experimental class was 75.27 with a learning completion percentage of 70%. While the control class got an average score of 51.23 with a learning completion percentage of 9.68%. The result of the t-test of 2 independent show that there is an effect of the cooperative learning model type make a match on the motivation and learning outcomes of class VII students of SMPN 3 Mataram.
The development of PISA-like mathematics problem using Lombok Island contexts Triutami, Tabita Wahyu; Novitasari, Dwi; Salsabila, Nilza Humaira
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.v6i1.7198

Abstract

The results of the PISA test for mathematical literacy in 2000–2018 and several previous studies show that students' critical thinking abilities in Indonesia are still relatively low. One of the reasons why students' critical thinking skills in Indonesia are low is because PISA-like problems have not been integrated evenly into mathematics learning. The aim of this research is to obtain a prototype of PISA-like mathematics problems in the context of Lombok Island that are oriented towards critical thinking skills that are valid, according to experts. This research is design research, which consists of 3 stages, namely analysis, design, and evaluation. The PISA-like problem that has been developed consists of twelve questions about space and shape, uncertainty, and data. Each set of questions consists of levels 1 to 6. Lombok Island contexts contained in the questions are Mount Rinjani, woven cloth with Subahnale and Alang motifs, the game of Dengkleng (Engklek), Gendang Beleq, and the Limbungan traditional house. At the evaluation stage, the validity of the development product is assessed by experts. The instrument used is a PISA-like problem validation sheet. The results of this research obtained a prototype of a PISA-like mathematics problem with a valid category, according to experts.
Analisis Kemampuan Numerasi Mahasiswa Calon Guru Matematika Novitasari, Dwi; Humaira Salsabila, Nilza; Amrullah, Amrullah; Azmi, Syahrul; Hikmah, Nurul
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.v6i1.7259

Abstract

Preservice mathematics teachers will eventually become mathematics teachers and teach mathematics in schools to students. Therefore, it is important to assess the numeracy skills of preservice mathematics teachers to develop their numeracy skills, which will positively impact students once they start teaching in schools. This study aims to describe the numeracy skills of preservice mathematics teachers about numeracy, including how well they can explore mathematical concepts in problems related to numeracy. This study is a qualitative descriptive. The subjects of this study are 28 mathematics education students from the University of Mataram. The instruments used in this study are questionnaires and tasks containing numeracy problems using the Sasak cultural context. Data analysis employs descriptive qualitative analysis, which includes data transcription, categorization, data presentation, description of the numeracy skills of teacher candidates, and conclusion. The results show that, in general, students have not been able to distinguish between numeracy and mathematics. Additionally, students still face difficulties in designing numeracy-oriented learning, especially using the socio-cultural context
Persepsi Mahasiswa terhadap Penerapan Gallery Learning dalam Praktikum Mata Kuliah Berbasis Teknologi: Sebuah Studi Deskriptif Wulandari, Nourma Pramestie; Salsabila, Nilza Humaira; Primajati, Gilang
Mandalika Mathematics and Educations Journal Vol 6 No 2 (2024): Edisi Desember
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i2.8299

Abstract

The aim of this study is to explore the views of Mathematics Education students regarding the necessity of using varied learning models, such as Gallery Learning, in technology-based course practicums. This research employs a descriptive quantitative method involving 28 students as respondents. Based on the results of the distributed questionnaire, the majority of students agreed that incorporating varied learning models like Gallery Learning is essential for technology-based course practicums. Students also expressed increased enthusiasm and active participation during practicums using this model. The findings indicate that Gallery Learning enhances students' understanding of practicum materials, fosters critical thinking, and boosts motivation to learn. Overall, students felt that this varied learning model significantly improved the quality of their learning experience.
Game-Based Learning Media For Number Topic: Analysis And Design Salsabila, Nilza Humaira; Hapipi, Hapipi; Lu'luilmaknun, Ulfa
Jurnal Pendidikan Matematika VOLUME 8 NOMOR 2 DESEMBER 2021
Publisher : UIN Antasari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18592/jpm.v8i2.5749

Abstract

This study aims to describe the preliminary analysis on the development of game media and see the student's preliminary response to the developed game-based mathematics learning media that is oriented to the learning outcomes of junior high school students. Several previous research results have shown that game-based learning media can improve students' mathematics learning outcomes. The development of learning media is based on the ADDIE development model which consists of five stages, namely, analysis, design, development, implementation, and evaluation. The respondents in this study were junior high school students totaling 122 people. Students are given a questionnaire related to game development. The questionnaire consists of 5 closed statement questions, with 4 answers on a Likert scale, namely strongly agree, agree, disagree, strongly disagree. The results show that most students agree that game learning media is needed in number topic, game learning media that can be played on mobile phones will make students easier to learn, the display of the game media is attractive, the color combination in the game media is interesting, and the characters in the game media are interesting.
Efektivitas Media Pembelajaran LKPD ditinjau dari Minat Belajar Matematika Peserta Didik Kelas IX SMPN 3 Lingsar Tahun Ajaran 2024/2025 Lu'luilmaknun, Ulfa; Salsabila, Nilza Humaira; Janah, Baiq Liatul Ukmatul; Januarsi, Putri
Griya Journal of Mathematics Education and Application Vol. 5 No. 1 (2025): Maret 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i1.545

Abstract

This study aims to determine the effectiveness of the Student Worksheet (LKPD) learning media in increasing the mathematics learning interest of ninth-grade students at SMPN 3 Lingsar in the 2024/2025 academic year. The research employed a pre-experimental method with a one-group pretest-posttest design. A total of 20 students were selected using purposive sampling. The research instrument was a learning interest questionnaire administered before and after learning activities using LKPD. Data were analyzed using the Shapiro-Wilk normality test, Levene's homogeneity test, and paired t-test. The results showed that the data were normally distributed and homogeneous. The paired t-test result indicated a p-value of 6.94 × 10⁻¹⁰ (< 0.05) with a t-value of 11.315. This finding demonstrates a significant difference between students' learning interest scores before and after using LKPD. Therefore, it can be concluded that the LKPD learning media is effective in increasing students’ interest in learning mathematics. This finding is expected to serve as a reference for teachers in selecting appropriate learning media to improve students' learning interest in the classroom.
Identifikasi miskonsepsi siswa dalam menyelesaikan masalah program linier berdasarkan metode Newman ditinjau dari Gender Tyaningsih, Ratna Yulis; Novitasari, Dwi; Salsabila, Nilza Humaira
Griya Journal of Mathematics Education and Application Vol. 5 No. 1 (2025): Maret 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i1.546

Abstract

Misconceptions in solving linear programming problems remain a challenge in mathematics education. Conceptual errors made by students can lead to misunderstandings and suboptimal learning outcomes. This study aims to identify students' misconceptions in solving linear programming problems based on the Newman method and analyze them from a gender perspective. The research method used is qualitative descriptive, with research subjects consisting of high school students who have studied linear programming. Data were collected through a diagnostic test based on the Newman method and in-depth interviews. The Newman method was used to analyze students' errors in five stages: reading, comprehension, transformation, process skills, and writing the final answer. The results showed that misconceptions most frequently occurred in the transformation and process skills stages. Male students tended to make errors in process skills, while female students made more mistakes in the comprehension and transformation stages. The conclusion of this study indicates that gender influences students' misconception patterns in solving linear programming problems. These findings are expected to serve as a reference for educators in designing more effective teaching strategies to reduce misconceptions and improve students' understanding of linear programming.
Pengaruh Kemampuan Spasial Dan Komunikasi Matematis Terhadap Hasil Belajar Matematika Siswa Eka Ayu Rasta, Ni Putu Virgi; Hikmah, Nurul; Salsabila, Nilza Humaira; Prayitno, Sudi
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8746

Abstract

The purpose of this study was to determine the effect of spatial intelligence and mathematical communication on the mathematics learning outcomes of class IX students of SMPN 5 Mataram in the 2024/2025 Academic Year. This type of research is quantitative with the ex post facto method. The population in this study were all class IX students of SMPN 5 Mataram in the 2024/2025 academic year with a total of 249 students. The sampling technique used probability sampling so that 1 class was selected, namely class IX B with a total of 31 students. The method of data collection was through giving tests of spatial ability, mathematical communication and mathematics learning outcomes with the material of similarity and congruence, surface area and volume of various curved and flat sided geometric shapes. The data analysis technique used in this study was descriptive statistical analysis and inferential statistical analysis. Based on the results of the inferential statistical analysis calculation, the t count value> t table was obtained, namely 6.238> 2.045 so that there was an effect of spatial ability on mathematics learning outcomes. The calculated t value > t table is 2.525 > 2.045 so that there is an influence of mathematical communication on mathematics learning outcomes. The Rxy (R) value is 0.836, sig. value 0.000 < 0.05 and 32.446 > 3.33. There is also an influence of variables X1 and X2 simultaneously on variable Y of 69.9%, which means that there is a positive influence between spatial ability and mathematical communication on students' mathematics learning outcomes with a strong relationship level. So, it can be concluded that there is an influence of spatial ability and mathematical communication on the mathematics learning outcomes of grade IX students of SMPN 5 Mataram in the 2024/2025 academic year.
Co-Authors aini, rohmiatun Akhmad Asyari Amrullah Amrullah Andini, Andini Apriliani, Madiinatul Asroor Aprilianti Aprilianti Aprilianti, Mia Ardani, Riska Ayu Ariska Kurnia Rachmawati Arjudin Arjudin Arjudin Arjudin Ashri Abdiah Baehaqi Baidowi Baidowi Baidowi Baidowi Baiq Sundusiah Bq. Nerik Prawita Deni Hamdani Dwi Novitasari Eka Ayu Rasta, Ni Putu Virgi Eka Kurniawan Elanda, Eva Fatin Umayati Fitri Ayu Ningtiyas Gilang Primajati Guilin, Xie Hafifa, Winda Hamdani, Deni Hamdani, Deni Hapipi Hapipi Hapipi Hapipi Ilham, Zanuarlin Tri Rahayu Iqrimi Ziarati Irna Oktavia Mutmainna Izzati Hilmi, Nida Janah, Baiq Liatul Ukmatul Januarsi, Putri Jatmiko Jatmiko Junaidi Junaidi Junaidi Junaidi Junaidi, J. Ketut Sarjana KETUT SARJANA, KETUT Krisna Jivani Dasusmi Kurniawan, Eka Laeli Rohmayani Laila Hayati Lely Santika Putri Lu’luilmaknun, Ulfa M. Yogi Riyantama Isjoni Maulida Yuniarti Mohammad Archi Maulyda Muhammad Turmuzi Nadiyatush Sholihah Nani Kurniati Nani Kurniati Nasrun Juliyardi Ni Made Intan Kertiyani Noviyanti, Baiq Elisa Nufus, Hayatul Nurhasanah Nurhasanah Nurul Hikmah Nyoman Arya Sejati Oktavihari, Dita Pratama Wahyu Purnama Pratama, Melinia Putri Primajati, Gilang Qorni, Wais Al Ratih Ayu Apsari Ratih Ayu Apsari Regina Maharani Rhomiy Handican Rina Ardianti Rukmana Riska Ayu Ardani Salsabila, Salsabila Samijo, Samijo Sanuriza, Irna Il Sariyasa . Sinta Silviana Muslim Soepriyanto, Harry Sri Subarinah Sri Subarinah, Sri Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi, Sripatmi Sripatmi, Sripatmi Sudi Prayitno Sudi Prayitno Syahrul Azmi Syahrul Azmi Tabita Wahyu Triutami Tara Rezika Aliffianti Triutami, Tabita Wahyu Ulfa Lu'luilmaknun Ulfa Lu’luilmaknun Wahyu Setyaningrum Winda Hafifa Wulandari, Nourma Pramestie Xie Guilin Yulis Tyaningsih, Ratna