Purwasi, Lucy Asri
Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

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Pengembangan Lembar Kerja Siswa Berbasis Pendekatan Open-Ended Untuk Melatih Kemampuan Pemecahan Masalah Matematis Siswa SMP Purwasi, Lucy Asri; Fitriyana, Nur
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 10, No 1 (2019): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Sema

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v10i1.16825

Abstract

Penelitian ini bertujuan menghasilkan lembar kerja siswa matematika berbasis pendekatan open-ended yang valid, praktis dan efektif dalam melatih kemampuan pemecahan masalah matematis siswa Kelas VIII SMP di Kota Lubuklinggau. Jenis penelitian yang dilakukan adalah penelitian pengembangan (Research and Development). Prosedur penelitian pengembangan LKS diadaptasi dari model pengembangan perangkat pembelajaran 4-D yang terdiri dari 4 tahap yaitu pendefinisian (define), perancangan (design), pengembangan (develop), dan penyebaran (disseminate). Ujicoba terbatas dan ujicoba kelompok besar dilakukan di SMP Negeri 14 Lubuklinggau kelas VIII dengan jumlah siswa sebanyak 29 orang. Berdasarkan hasil analisis data menghasilkan LKS berbasis pendekatan open-ended yang valid dengan nilai rata-rata 4,167, praktis dengan nilai rata-rata 4,21 dan efektif dengan nilai rata-rata 4,126. Implementasi LKS Berbasis Pendekatan open-ended meningkatkan kemampuan pemecahan masalah siswa di SMP Negeri 1 Lubuklinggau sebesar 79,70% dengan kategori baik, SMP Negeri 14 Kota Lubuklinggau sebesar 74,02% dengan kategori baik, dan SMP PGRI 3 Kota Lubuklinggau sebesar 66,45% dengan kategori baik.This study aims to produce mathematics student worksheets based on a valid, practical and effective open-ended approach in training mathematical problem solving skills of VIII SMP students in Lubuklinggau City. The type of research conducted is development research (Research and Development). The LKS development research procedure is adapted from a 4-D learning device development model consisting of 4 stages, namely define, design, develop, and disseminate. Limited trials and large group trials were conducted in the eighth grade Lubuklinggau Middle School 14 with a total of 29 students. Based on the results of data analysis produces worksheet based on a valid open-ended approach with an average value of 4.167, practically with an average value of 4.21 and effective with an average value of 4.126. Implementation of Student-Based Worksheets An open-ended approach improves students' problem solving abilities in Lubuklinggau Middle School 1 by 79.70% in good category, Lubuklinggau Middle School 14 State by 74.02% in good category, and Lubuklinggau City PGRI 3 Junior High School by 66.45 % in good category.
Penerapan Metode Penemuan Terbimbing pada Pembelajaran Matematika Siswa SMP Mulyono, Dodik; Purwasi, Lucy Asri; Riyadi, Agusman
Journal of Education and Instruction (JOEAI) Vol 1 No 1 (2018): Journal of Education and Instruction (JOEAI)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/joeai.v1i1.240

Abstract

This study aims to determine the completeness of the results of learning mathematics Class VIII SMP Negeri 8 Lubuklinggau. Having applied guided discovery method. The research method used in this research is a quasi experiment with population class VIII 191 students and as a sample is class VIII F 32 students are taken at random. Data collecting is done by the test technique in the form of essay.Data problem is analyzed using t-test . Based on the results of data analysis on tarap belief α = 0.05 can be concluded that the results of students studying class VIII SMP Negeri 8 Lubuklinggau Academic Year 2016/2017 after the average value of the final test of 81.27 and the percentage of complete students reached 82.14% Keywords: Guided Discovery, Learning Outcomes, Mathematics
Pengaruh Model Pembelajaran Berbasis Masalah terhadap Kemampuan Berpikir Kreatif Matematis Luthfiana, Maria; Purwasi, Lucy Asri
Jurnal Pendidikan Matematika (JUDIKA EDUCATION) Vol 1 No 2 (2018): Jurnal Pendidikan Matematika (Judika Education)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (499.354 KB) | DOI: 10.31539/judika.v1i2.413

Abstract

The purpose of this study was to determine the effect of problem-based learning models on mathematical creative thinking abilities of eighth grade students of SMP Negeri 6 Lubuklinggau. This study used the True Experimental Design. In this study, the samples used were two classes, namely the control class and the experimental class. The average score of mathematical creative thinking skills that had been obtained by students in the final test in the experimental class was 19.5517 and in the control class was 14.4783. Both classes were normally distributed and homogeneous both at the pre-test and the post-test. The data collection was analyzed by using the t-test. The results of the t-test analysis were t-value = 2.5400 and t-table (significance level α= 0.05) = 2.001. This showed that t-value> t-table, so it can be concluded that there is a significant effect of problem-based learning models on mathematical creative thinking abilities of eighth grade students of SMP Negeri 6 Lubuklinggau. KeyWord: Problem-based, creative mathematical learning model
Penerapan Metode Penemuan Terbimbing pada Pembelajaran Matematika Nasution, Melda; Mulyono, Dodik; Purwasi, Lucy Asri
Journal of Education and Instruction (JOEAI) Vol 1 No 2 (2018): Journal of Education and Instruction (JOEAI)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (717.778 KB) | DOI: 10.31539/joeai.v1i2.394

Abstract

The purpose of the study was to apply the guided discovery method to the learning of Mathematics of Class VIII Students of Muhammadiyah Middle School 2 Tugumulyo. The research method used was a quasi-experimental method (Quasi experiment) which was carried out in an experimental class without a comparison group (control group). The population was the eighth grade students of junior high school with the total number 127 students. The sample was the students of VIII.b class which was taken randomly by means of gambling. Data analysis used in this research was t test, obtained thit = 2.92> ttab = 1.69, so that students' mathematical learning outcomes after the implimentation of guided discovery methods had been completed. The score of the average learning value of students using guided discovery method was 80.80. In conclusion, the implementation of guided learning methods was very appropriate in mathematics learning. Keywords: Discovery Learning Methods, Learning Outcomes, Mathematics.