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Analisis Kemampuan Literasi Numerasi Siswa SMP Ditinjau Dari Kecemasan Matematika Sri Mulyani; Nurcahyono, Novi Andri; Lukman, Hamidah Suryani; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3137

Abstract

Penelitian ini dilatar belakangi oleh rendahnya kemampuan literasi numerasi siswa SMP. Penelitian ini bertujuan untuk mengetahui bagaimana kemampuan literasi numerasi siswa SMP ditinjau dari kecemasan matematika. Subjek penelitian ini adalah siswa kelas VIII D SMP Negeri 1 Sagaranten yang diambil sebanyak 9 orang menggunakan teknik purposive sampling yang mewakili setiap kategori kecemasan matematika. Penelitian ini menggunakan jenis penelitian deskriptif kualitatif dengan desain studi kasus. Hasil penelitian, subjek dengan kategori kecemasan rendah belum mampu menyelesaikan indikator pertama (kemampuan menggunakan berbagai angka dan symbol terkait dengan operasi pada bentuk aljabar), indikator kedua (kemampuan menganalisis informasi dari grafik, tabel, diagram dan bagan) dan indikator ketiga (kemampuan menafsirkan hasil analisis tersebut untuk memprediksi dan mengambil keputusan). Subjek dengan kategori kecemasan sedang mampu menyelesaikan indikator ketiga saja (kemampuan menafsirkan hasil analisis tersebut untuk memprediksi dan mengambil Keputusan). Subjek dengan kategori kecemasan tinggi belum mampu menyelesaikan indikator pertama (kemampuan menggunakan berbagai angka dan symbol terkait dengan operasi pada bentuk aljabar), indikator kedua (kemampuan menganalisis informasi dari grafik, tabel, diagram dan bagan) dan indikator ketiga (kemampuan menafsirkan hasil analisis tersebut untuk memprediksi dan mengambil keputusan).
Kemampuan Pemecahan Masalah Matematika Siswa SMP dalam Menyelesaikan Soal Sistem Persamaan Dua Variabel (SPLDV) Sumarni, Ai; Nurcahyono, Novi Andri; Setiani, Ana; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3223

Abstract

Mathematical problem-solving abilities are important to support the development of 4C skills (Communication, Collaboration, Critical Thinking, Problem-Solving, Creativity, and Innovation) in the 21st century. However, in reality, students' ability to solve problems is still relatively low and does not meet expectations. This research aims to identify students' mathematical problem-solving abilities in solving System of Equations in Two Variables (SPLDV) problems. The research method used is descriptive quantitative, with data collection through tests in the form of descriptions. The population of this study was all students in class VIII in one of the junior high schools in Sukabumi Regency, with a sample taken of 24 students from class VIII. The research results showed that the average student score was 34.5, with the majority of students being in the low category at 87.5%, and only a few students were able to reach the medium category with a percentage of 4.17% and high with a percentage of 8.33%. Analysis of the problem-solving stages shows that although 70.83% of students were able to understand the problem, 41.67% could plan the problem, only 12.5% succeeded in solving the problem, and 8.34% could check the solution. These results also show that the students' mathematical problem-solving abilities in solving System of Equations in Two Variables (SPLDV) problems at this school are mostly in the low category and still need a lot of improvement.
Kemampuan Literasi Matematika Siswa SMP Dalam Menyelesaikan Soal Matematika Realistik Nurhalisah, Ita Amalia; Lukman, Hamidah Suryani; Mulyanti, Yanti; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3240

Abstract

Questions that can be used to measure mathematical literacy skills are realistic mathematics questions. Thus, research was conducted to identify students' mathematical literacy abilities in solving realistic mathematics problems. The research method used is a quantitative descriptive method by providing 6 questions describing material on a two-variable linear equation system that can measure mathematical literacy abilities. The results showed that 51.9% were in the low category, 18.5% were in the medium category and 29.6% were in the high category. Based on the results of students' answers, students are still less capable in interpretation and calculations using existing methods in a two-variable linear equation system, students tend to use calculations outside of these methods so that students cannot write down how the calculation process works. Based on the results of research that has been carried out, it show that the mathematical literacy abilities of junior high school students are in the low category.
Proses Penalaran Abduktif Dalam Menyelesaikan Masalah Aljabar Zahroh, Alfiatuz; Sadieda, Lisanul Uswah; Lailiyah, Siti; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3247

Abstract

This article aims to describe the abductive reasoning process in solving algebra. In this research, the literature study method was used. Based on the results of studies that have been conducted, abductive reasoning helps students make creative and flexible guesses, especially when the solution is not clear at the start. By applying abductive reasoning to solve algebra problems, students are directed to recognize abductive problems, identify various solutions then select the best solution, and assimilate. The solution found must be re-evaluated because there is no guarantee that the solution obtained from the abductive reasoning process is correct.
Eksplorasi Etnomatematika Pada Kegiatan Jual Beli Di Pasar Keramat Pacet Zahroh, Alfiatuz; ‘Aaliima, Sayyidatul Rosyiida; Kurniawan, Agus Prasetyo; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3251

Abstract

This research aims to describe ethnomathematics at Pasar Keramat, Pacet. This research includes qualitative research. The data collection techniques used in this research were interviews and documentation. The data analysis technique used is the Miles and Huberman method, which consists of several stages, namely data collection, data reduction, data presentation, and drawing conclusions. The data obtained is in the form of interviews, documentation and observations. Then the data is classified and simplified to focus on relevant elements. The reduced data is presented in a table containing the type of activity, documentation, mathematical concepts used, and activity descriptions. The research results show that mathematical concepts are used in buying and selling activities at Keramat Market, Pacet. The mathematical concepts used are the concept of counting in money exchange activities, the concept of profit and arithmetic operations such as: addition, subtraction and multiplication in pricing activities and buying and selling transactions, and the concept of sets in packaging activities.
Bahasa Inggris Hafriani; Muhammad Yani; Yuzar, Maya Ghufra; Darwani; Bahasa Indonesia, Bahasa Indonesia; Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3259

Abstract

Mathematical creative thinking is one of the important abilities that students must have to be able to solve various problems, both mathematical problems and problems related to life. The reality in the field is that students still lack mathematical creative thinking skills because the learning that is carried out is less able to optimize the development of students' mathematical creative thinking processes. This study aims to determine students' mathematical creative thinking skills through treffinger learning and conventional learning. The approach used in this study is quantitative with a pretest-posttest design. The research sample consisted of 16 students in the experimental class and 18 students in the control class. Data were collected through a valid written test that can measure students' mathematical creative thinking skills. Data analysis used a mean difference test using the t-test (independent sample t-test). The results of the study showed that there was a difference in the mathematical creative thinking skills of students who were taught using the treffinger learning model and students who were taught using conventional learning, where the mathematical creative thinking skills of students who were taught using the treffinger model were better than students who received conventional learning. The positive impact obtained from the application of the Treffinger learning model is also inseparable from the teacher's ability to understand the characteristics and phases of the Treffinger learning model as well as the time and class management which is already very good.
Pengaruh Model Project Based Learning Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Ramadhani; Rais, Hidayati; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3271

Abstract

The purpose of this study was to determine and describe the mathematical problem-solving ability before and after being taught using a project-based learning model.  This type of research is quasi-experimental with posttest-only control design. This research was conducted at SMK N 10 Merangin with a population of 169 grade X students and simple random sampling to provide equal opportunities for each member of the population to be selected as a sample. The selected samples were 28 students of class X Visual Communication Design (DKV) and 28 students of Engineering and Motorcycle Business 1 (TBSM 1). The research instrument in the form of an essay test totaling 5 items that have been tested for validity, and significance, with a medium and easy difficulty index according to the indicators of mathematical problem-solving ability and reliability. Data analysis technique with normality test using Kolmogorov-Smirnov and Hartley test for homogeneity. Data analysis obtained the score of mathematical problem-solving skills of the experimental class 49.39 and the control class 43.54. The mastery level of mathematical problem-solving skills of the experimental class was 81%, and the control class was 71.5%. Because the data is normally distributed and the variance is not homogeneous, the hypothesis test was obtained, and dan dengan > atau 3,848 > 1,771. So, it can be concluded that the Mathematical Problem-Solving Ability taught with project-based learning is better than conventional learning with the expository method for class X students of SMKN 10 Merangin in the 2024/2025 academic year.
Pengaruh Pendekatan Realistic Mathematics Education (RME) Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Kelas VIII SMP Negeri 2 Kabun Nur Syafitri, Citra; Astuti; Hidayat, Adityawarman; Bahasa Indonesia; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3277

Abstract

This research was motivated by the low mathematical problem-solving abilities of class VIII students at SMP Negeri 2 Kabun. One solution to overcome this problem is to use Realistic Mathematics Education (RME) approach.This research aims to determine whether or not there is an influence between student who use the RME approach and student who use a conventional approach on problem solving abilities. This research is a quasi-experimental study using a posttest only design with nonequivalent group. The research subjects consisted of class VIII A, totaling 27 students and VIII B, totaling 27 students. The sampling technique used is random sampling. The data collection techniques used were observation sheets and mathematical problem-solving ability test questions. The results of this research can be concluded that the RME approach can influence the mathematical problem-solving abilities of class VIII students at SMPN 2 Kabun. This can be proven through the t test from the two groups, it was found that  2,00 with a significance level of α5%. Because the value of (6,94  2,00) then is rejected and  is accepted
Analisis Kemampuan Computational Thinking (CT )Peserta Didik Kelas VIII SMP Negeri 1 Bangkinang Kota Ahmadi, Devila Laura Alviona; Astuti; Zulfah; Bahasa Indonesia, Bahasa Indonesia; Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3298

Abstract

This research aims to analyze the CT  abilities of class VIII students at SMP Negeri 1 Bangkinang Kota. CT  ability is an ability that students must have and to find out to what extent these CT abilities have developed and been fulfilled by students. This research is a qualitative descriptive research.  The research subjects were all class VIII students, totaling 36 students. The data collect ion techniques used were interviews and tests. The results of this research can be concluded that the high category (KT) subjects can understood the question information correctly in worked on CT  ability questions, can answered questions according to the CT  ability indicators, answer correctly and can also made conclusions  from the answers obtained and check  again. to ensure the  corrected of the answer. Likewise, subjects in the medium category (KS) are quite good at found information from the questions, but do not understood the answers to the questions themselves. Medium category students can also made conclusions from the answers they get. Meanwhile, low category subjects (KR) were unable to understood the questions, found the right information and drew conclusions when solving the CT  ability test questions.
Pengaruh pembelajaran Connected Mathematics Project (CMP) terhadap pemahaman konsep matematika pada siswa kelas VIII SMP Muhammadiyah Kuok Alfarez, Ferdi; Wahyuni, Molli; Rizki, Lussy Midani; Bahasa Indonesia, Bahasa Indonesia
Jurnal PEKA (Pendidikan Matematika) Vol. 8 No. 2 (2025): Jurnal PEKA (Pendidikan Matematika)
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Sukabumi (UMMI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37150/jp.v8i2.3300

Abstract

This research was motivated by the low mathematical reasoning abilities of class X students at SMAN 1 Salo. One solution to overcome this problem is to use problem-based learning. The aim of this research is to determine the differences in the mathematical reasoning abilities of students who apply problem-based learning and students who apply conventional learning. This research is an quasi experiment using a nonequivalent control group design. The research subjects consisted of class X-1, totaling 33 students and X-2, totaling 33 students. The sampling technique used was purposive sampling. The data collection techniques used were observation sheets and mathematical reasoning ability test questions. The results of this research can be concluded that there is a difference in the average test results of students' mathematical reasoning abilities in the experimental class using problem-based learning and the control class which applies conventional learning for class X students at SMAN 1 Salo. This can be proven through the Independent Sample T-Test, obtaining a sig(2-tailed) value of 0.023 < 0.05, so H0 is rejected and H1 is accepted.
Co-Authors Adityawarman Hidayat Agus Eko Sujianto Agus Prasetyo Kurniawan, Agus Prasetyo Ahmadi, Devila Laura Alviona Akmaliah, Vika Zida Alfarez, Ferdi Amalia, Khoirunnisaa Fadhilah Amran Yahya Ani Afifah, Ani Astuti Auzi Asfarian Avrinia Wulansari, Tutik Ayu Ervinia baha, bahasa indonesia Bahasa Indonesia Budi Setyo Lestari, Andika Danang Dwi Cahyadi Darwani Dicky Darmawan Elly Susanti fendiyanto, fendiyanto Firmania, Deya Fitriyah, Mahmudah Hadidi, Hadidi Hafriani Hamidah Suryani Lukman Heru Setijanto Hidayati Rais Indrastuti Normahayu, Indrastuti Jiran Dores, Olenggius Kamal Mustabiq Kartika Hendra Titisari Kuncoro Catur Nugroho Lisanul Uswah Sadieda Lussy Midani Rizki Moh. Iqbal, Moh. Molli Wahyuni Muhammad Yani Muliana M, Ana Murip, Dorli Nafisatul Qur'ani, Fauziyah Navisa Fairuz Nisa', Chairun Novi Andri Nurcahyono Nur Syafitri, Citra Nurhalisah, Ita Amalia Nurhidayat Qisma, Nina Ramadhani Ria Noviana Agus, Ria Risnanosanti Ristontowi Sahlan Sahlan Samsurizal, M. Sulaeman Saputra, Anggadha Savitri Novelina Sekar Sari, Ely Sembiring, Maximus Gorky Sendi Ramdhani Setiani, Ana Sholahudin , Usep Siti Lailiyah, Siti Siti mutmainnah Siti Nurhayati Siti Nurlaela Sopia, Nurapni Sopia Sri Mulyani Srihadi Agungpriyono Sulchan, Moch Sumarni, Ai Supratikno Surya Saputra, Muhammad Aditya Syofiana, Mardiah Wita Setioko Yanti Mulyanti, Yanti yulikah, Anik Yuzar, Maya Ghufra Zafitri, Gita Zahroh, Alfiatuz Zulfa Maslihatin, Maya ZULFAH ‘Aaliima, Sayyidatul Rosyiida