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All Journal HISTOGRAM: Jurnal Pendidikan Matematika Formosa Journal of Applied Sciences (FJAS)
Asmin
Universitas Negeri Medan
Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Social Sciences

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Effect of Problem Based Learning Model on Ability Imelda Medan Private Middle School Student Problem Solving Putri Zamsari; Asmin
Formosa Journal of Applied Sciences Vol. 1 No. 6 (2022): November 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjas.v1i6.1942

Abstract

This study aims to determine the effect of the problem-based learning model on the problem-solving abilities of Imelda Medan Private Middle School students. This research was conducted at Imelda Medan Private Middle School in the odd semester of the 2022/2023 school year. The subjects in this study were class VIII students of Imelda Medan Private Middle School. The research sample was taken using the cluster random sampling method, with a post-test only control group research design. The hypothesis test shows the results of tcount 5.459 > ​​ttable 2.074, it can be concluded that the level of problem solving abilities of students in the experimental class is better than that of control class students. To see how much influence is carried out using the effect size which shows the value of d = 1.608 so that it is known that the magnitude of the influence of the problem based learning model on students' problem solving abilities is 94.5%. This can prove the hypothesis that the problem-solving abilities of students who are taught by the problem-based learning model are better than the problem-solving abilities of students who are taught by ordinary learning.
The Effect of a Realistic Mathematical Approach on the Mathematical Problem Solving Ability of Class VIII Students of SMP IT Al-Hijrah 2 Deli Serdang Chintya Rachmawati Putri Sarmi; Asmin
Formosa Journal of Applied Sciences Vol. 1 No. 6 (2022): November 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjas.v1i6.1946

Abstract

The purpose of this study was to determine the effect of a Realistic Mathematical Approach on Students' Mathematical Problem Solving Ability. This research was conducted at SMP IT Al-Hijrah 2 Deli Serdang for the 2022/2023 academic year. The method used in this study is a quasi-experimental method with a Post-Test Only research design. The research sample consisted of two classes consisting of 21 students in the experimental class and 17 students in the control class. The experimental class uses a realistic mathematical approach while the control class uses conventional learning and both classes are given material on a system of two-variable linear equations. Analysis after being given treatment shows that both samples are normally distributed and homogeneous. The hypothesis test shows the results of t_count 4.3633> t_table 1.6883, it can be concluded that the level of students' mathematical problem solving ability in the experimental class is better than that of the control class students. For how much influence is carried out using the effect size test which shows the value of d = 1.4 so that it is known that the effect of a realistic mathematical approach on students' mathematical problem solving abilities is 91.9%. This can prove the hypothesis that the mathematical problem solving abilities of students taught by a realistic mathematics approach are better than the problem solving abilities taught by conventional learning.
PENGARUH MODEL JIGSAW TERHADAP KEMAMPUAN MATEMATIS DAN DISPOSISI MATEMATIS PADA MATERI STATISTIKA KELAS XI APL SMK NEGERI 3 MEDAN Nuraini Hasanah; Pardomuan Sitompul; Asmin
HISTOGRAM: Jurnal Pendidikan Matematika Vol. 8 No. 1 (2024): Jurnal Pendidikan Matematika
Publisher : STKIP Andi Matappa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31100/histogram.v8i1.3595

Abstract

Tujuan riset ini yaitu: (1) Terdapat pengaruh KAM terhadap kemampuan berpikir kritis matematis siswa kelas XI APL SMK Negeri 3 Medan T.P 2023-2024; (2) Terdapat pengaruh KAM terhadap kemampuan disposisi matematis siswa kelas XI APL SMK Negeri 3 Medan T.P 2023-202; (3) Terdapat pengaruh model pembelajaran terhadap kemampuan berpikir kritis matematis siswa kelas XI APL SMK Negeri 3 Medan T.P 2023-2024; (4) Terdapat pengaruh model pembelajaran terhadap kemampuan disposisi matematis siswa kelas XI APL SMK Negeri 3 Medan T.P 2023-2024; (5) Tidak terdapat interaksi model pembelajaran dan KAM terhadap kemampuan berpikir kritis matematis siswa kelas XI APL SMK Negeri 3 Medan T.P 2023-2024; (6) Tidak terdapat interaksi model pembelajaran dan KAM terhadap kemampuan disposisi matematis siswa kelas XI APL SMK Negeri 3 Medan T.P 2023-2024. Metode Penelitian ini termasuk penelitian kuantitatif (quantitative research) dengan menggunakan model pembelajaran konvensional dan kooperatif jigsaw dengan menggunakan kemampuan berpikir kritis matematis dan disposisi matematis.Penelitian ini dilaksanakan di SMK Negeri 3 Medan di Jl. STM No.12 B Kampung Baru Medan. Penelitian ini dilaksanakan pada semester ganjil tahun ajaran 2023/2024. Populasi dalam penelitian ini yaitu seluruh siswa/i kelas XI Analisis Pengujian Laboratorium SMK Negeri 3 Medan yang mengikuti proses pembelajaran Matematika pada semester ganjil tahun pembelajaran 2023-2024 yaitu tediri dari 5 kelas rombel (XI APL 1– XI APL 5).
Co-Authors Chintya Rachmawati Putri Sarmi Nuraini Hasanah Pardomuan Sitompul Putri Zamsari