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All Journal Jurnal Infinity Journal of Didactic Mathematics Logaritma : Jurnal Ilmu-ilmu Pendidikan dan Sains PEMA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat Hipotenusa: Journal of Mathematical Society Jurnal Infinity Jurnal Tadris Matematika
Sari, Dwi Maulida
UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan
Decision Sciences, Operations Research & Management Education Mathematics Social Sciences Other

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Journal : Journal of Didactic Mathematics

 1 
PENINGKATAN KEMAMPUAN BERPIKIR LOGIS DENGAN MENGGUNAKAN METODE PEMBELAJARAN KOOPERATIF TIPE TEAM-ACCELERATED INSTRUCTION Dwi Maulida Sari; Rizky Nurul Hafni
Journal of Didactic Mathematics Vol 1, No 2 (2020): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.845 KB) | DOI: 10.34007/jdm.v1i2.317

Abstract

This study is a quasi-experimental study with a pretest-posttest one group design. The population in this study is all students majoring in mathematics education at an Asahan University, North Sumatra. Sampling was done by using the purposive sampling technique. Students work under the cooperative learning method Team-Accelerated Instruction (TAI) type. This research was conducted to study the enhancement of students’ logical thinking ability after cooperative learning TAI types were implemented. The instruments used in this study are logical thinking ability tests, observation sheets, and student interviews. The data were analyzed by using t-test. From the result of data analysis, it is found that there is a significant enhancement in the logical thinking ability of the students’ who work under the cooperative learning method TAI type. Therefore, cooperative learning Team-Accelerated Instruction (TAI) type can be alternative learning to improve students’ logical thinking ability.
The students’ mathematical communication ability taught by cooperative script types at SMP Negeri 3 Kisaran Dwi Maulida Sari
Journal of Didactic Mathematics Vol 3, No 1 (2022): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v3i1.1294

Abstract

Mathematical communication ability is important owned by students’ because a lack of ability of mathematical communication can lead to a lack of understanding of the mathematical concept or mathematical problem. Preliminary observation conducted by researchers in SMP Negeri 3 Kisaran found that the students aren’t able to answer. It is clearly seen in the student’s answer sheet that the student’s mathematical communication ability is low lack of student’s mathematical communication ability of SMP N 3 Kisaran is so related to the learning process which has been done by the mathematics teacher. To fix it is necessary to develop an approach to learning that is more effective, creative, and fun. On this basis, the authors try to apply cooperative learning Control Class type to improve mathematical communication ability. This research is quasi-experimental or quasi-experimental research with a quantitative approach. The conclusion found that there is an increase in students’ mathematical communication ability taught by cooperative learning cooperative script type at SMP Negeri 3 Kisaran.
A study of proportional reasoning: Tackling missing value and numerical comparison challenges Warli, Dwi; Suryadi, Didi; Fatimah, Siti; Suhendra, Suhendra; Wicaksono, Agung; Sari, Dwi Maulida; Raisatunnisa, Raisatunnisa
Journal of Didactic Mathematics Vol 6, No 1 (2025): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i1.2575

Abstract

This study aims to examine students’ proportional reasoning in solving multiplicative problems. Three seven-grade students from SMPIT Al-Fahmi Palu were purposively selected using judgment sampling. Data analysis was conducted in three stages: data reduction, data presentation, and conclusion drawing/verification. The analysis was based on Bexter and Junker’s theory of proportional reasoning, which consists of five stages: (1) qualitative, (2) early attempts at quantifying, (3) recognition of multiplicative relationships, (4) accommodating covariance and invariance, and (5) functional and scalar relationships. The results show that students with low ability (R1) solved problems by recording the first measurement and pairing it with the second measurement through addition, indicating the early attempts at quantifying stage. Students with moderate ability (R2) solved the problems by listing all possible combinations and summing them, indicating recognition of multiplicative relationships. Meanwhile, high-ability students (R3) solved the problems by multiplying the first and second measurements, indicating they were in the accommodating covariance and invariance stage of proportional reasoning.
Co-Authors Agung Wicaksono Anis Syafiqah Sohaimi Didi Suryadi Diyah Hoiriyah Efrida Mandasari Dalimunthe Elah Nurlaelah Elah Nurlaelah Mansyur, Muhamad Zulfikar Rahma Dyah Sari Purba Rahmadani Tanjung Rahmat Badawi Raisatunnisa, Raisatunnisa Ramadhini, Fitri Rizky Nurul Hafni Rizky Nurul Hafni Siti Fatimah Suhendra Suhendra Suhendra Warli, Dwi