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All Journal Algebra: Journal of Matematics, Statistics and Computation
Okviani Syafti
Prodi Pendidikan Matematika, STKIP Pesisir Selatan
Education Mathematics

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Pengaruh Growth Mindset Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Kelas VII DI UPT SMP Negeri 1 Linggo Sari Baganti Okviani Syafti; Yanti Nazmai Ekaputri; Nesa Arzi Putri
Algebra: Journal of Matematics, Statistics and Computation Vol 2 No 2 (2025): Algebra: Journal of Matematics, Statistics and Computation
Publisher : Kilau Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60041/algebra.v2i2.375

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh growth mindset terhadap kemampuan pemecahan masalah matematika siswa kelas VII di UPT SMP Negeri 1 Linggo Sari Baganti. Jenis penelitian yang digunakan adalah penelitian kuantitatif dengan desain regresi linear sederhana untuk mengetahui pengaruh antara variabel bebas dan variabel terikat. Teknik pengumpulan data yang digunakan adalah metode angket dan tes dengan sampel penelitian sebanyak 26 siswa kelas VII.U. Berdasarkan hasil analisis deskriptif, diperoleh skor growth mindset siswa dengan nilai tertinggi 76, nilai terendah 61, dan rata-rata 68,42 yang berada pada kategori sedang. Hasil tes kemampuan pemecahan masalah matematika siswa menunjukkan nilai tertinggi 98, nilai terendah 22, dan rata-rata 76,46 yang berada pada kategori sedang hingga tinggi. Hasil penelitian menunjukkan bahwa growth mindset berpengaruh positif terhadap kemampuan pemecahan masalah matematika siswa, artinya semakin tinggi growth mindset siswa maka kemampuan pemecahan masalah matematika juga cenderung meningkat. Namun demikian, kemampuan pemecahan masalah matematika siswa tidak hanya dipengaruhi oleh growth mindset, melainkan juga dipengaruhi oleh faktor lain di luar penelitian ini.
Hubungan Rasa Percaya Diri Dan Kemampuan Komumikasi Matematis Siswa Kelas IX MTS PP Darussalam Okviani Syafti; Sefrinal; Kiahan Zakia
Algebra: Journal of Matematics, Statistics and Computation Vol 2 No 2 (2025): Algebra: Journal of Matematics, Statistics and Computation
Publisher : Kilau Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60041/algebra.v2i2.379

Abstract

Mathematical communication skills are an important competence in mathematics learning, especially in the topic of Systems of Linear Equations in Two Variables, because students are required to express ideas, construct mathematical models, and explain solution steps systematically. However, these skills are still not optimal and are assumed to be related to affective factors, one of which is self-confidence. This study aimed to determine the relationship between students’ self-confidence and their mathematical communication skills among ninth-grade students of MTs PP Darussalam. This research employed a quantitative approach with a correlational design. The subjects of the study were 27 ninth-grade students selected using saturated sampling. Data were collected through a self-confidence questionnaire and a mathematical communication skills test. Data were analyzed using descriptive statistics and the Pearson Product-Moment correlation test after meeting the assumptions of normality and linearity. The results showed that the average self-confidence score of the students was in the moderate category with a score of 52.56, while the average mathematical communication skill score was also in the moderate category with a score of 70.22. The Pearson correlation test indicated a significant positive relationship between self-confidence and mathematical communication skills, with a correlation coefficient of 0.62 and a significance value of 0.001. These findings imply that improving students’ self-confidence should be an important concern in mathematics learning because it can support the optimal development of students’ mathematical communication skills.
Pengaruh self efficacy terhadap kemampuan literasi matematis pada materi transformasi geometri siswa kelas IX SMP N 1 Linggo Sari Baganti Okviani Syafti; Yanti Nasmai Ekaputri; Vira Syaprianti
Algebra: Journal of Matematics, Statistics and Computation Vol 2 No 1 (2025): Algebra: Journal of Matematics, Statistics and Computation
Publisher : Kilau Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60041/algebra.v2i2.384

Abstract

Mathematical literacy is an essential competence in mathematics learning because it requires students to formulate, use, and interpret mathematical concepts in various real-life contexts. However, international studies indicate that Indonesian students’ mathematical literacy remains relatively low. One factor presumed to influence this ability is self-efficacy, namely students’ belief in their own ability to complete tasks. This study aimed to analyze the effect of self-efficacy on mathematical literacy skills in the topic of geometric transformations among ninth-grade students at SMP Negeri 1 Linggo Sari Baganti. This research employed a quantitative approach with a causal associative design using an ex post facto method. The research subjects were 30 students from class IX.4 selected through purposive sampling. Data were collected using a self-efficacy questionnaire and a mathematical literacy test in the form of contextual essay questions. Data analysis was conducted using normality and linearity tests, Product Moment correlation, and simple linear regression. The results showed that there was a positive and significant effect of self-efficacy on students’ mathematical literacy skills. Students with higher self-efficacy tended to demonstrate better ability in modeling problems, applying geometric transformation concepts, and interpreting solution results. These findings imply that improving students’ self-efficacy should be a concern in mathematics learning in order to support the enhancement of their mathematical literacy skills.
Co-Authors Kiahan Zakia Nesa Arzi Putri Sefrinal Vira Syaprianti Yanti Nasmai Ekaputri Yanti Nazmai Ekaputri