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PENERAPAN MODEL PEMBELAJARAN KONTEKSTUAL UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA Setiawan, Panji; Sudana, Dewa Nyoman
Jurnal Ilmiah Pendidikan Profesi Guru Vol 2, No 3 (2019): November 2019
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.16 KB) | DOI: 10.23887/jippg.v2i3.14278

Abstract

This research was motivated by the low of mathematics learning result in 5th grade students in SD Negeri 4 Kaliuntu. The low of mathematics learning result  was caused by the low understanding of the students in the subject materials presented by the teacher. In the delivery of materials, teachers did not use learning models with a scientific approach that caused students to appear less active in learning activities. The purpose of this research was to enhance the result of mathematics learning result in 5th grade students in SD Negeri 4 Kaliuntu. The kind of this research was a classroom action research wich was conducted in  two cycles. Each cycle had stages including of action planning, implementation, observation, and reflection. This research  used contextual teaching learning model. The results showed that there was an increase in student learning result in each cycle. Before the research was conducted, the average of students’mathematics score that taken from the first semester was 67.98. In the first cycle could be seen that there was an increase in student learning result with the average score is 78.42 and 92% classical completeness percentage. The target of research in the first cycle hadn’t reached so that the research was continued into second cycle. In the implementation of the second cycle, the deficiencies that existed in the first cycle was fixed so that the average score of students' mathematics learning result increased to 82.94 with 100% classical completeness percentage. This indicate that the target of the research has been achieved in second cycle. The average of student learning result based on the PAP is in the high category so it can be concluded that the use of contextual teahing learning model can improve the learning outcomes of 5th grade students of SD Negeri 4 Kaliuntu Year 2017/2018. Key Word: CTL, Mathematics Learning Result
PENERAPAN MODEL PROBLEM SOLVING UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA KELAS V SEKOLAH DASAR Setiawan, Panji
Jurnal Ilmiah Pendidikan Profesi Guru Vol 4, No 1 (2021): Mei 2021
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jippg.v4i1.14286

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya hasil belajar matematika siswa kelas 5 SD Negeri 4 Kaliuntu. Rendahnya hasil belajar matematika siswa disebabkan oleh rendahnya pemahaman siswa terhadap materi pelajaran yang disampaikan oleh guru. Dalam penyampaian materi, guru tidak menggunakan model pembelajaran dengan pendekatan saintifik yang menyebabkan ada siswa yang terlihat kurang aktif dalam kegiatan pembelajaran. Adapun tujuan dilaksanakannya penelitian ini adalah untuk meningkatkan hasil belajar matematika siswa kelas 5 SD Negeri 4 Kaliuntu. Penelitian ini merupakan penelitian tindakan kelas yang terdiri dari dua siklus. Tiap siklus mempunyai tahapan diantaranya tahap perencanaan tindakan, tahap pelaksanaan, tahap observasi, dan tahap refleksi.  Dalam penelitian ini digunakan model pembelajaran kontekstual. Hasil penelitian menunjukkan bahwa terjadi peningkatan hasil belajar siswa pada tiap siklus. Sebelum dilaksanakan penelitian, nilai rata-rata matematika siswa yang diambil dari nilai semester I adalah 67,98. Pada siklus I dapat diketahui bahwa terjadi peningkatan hasil belajar matematika siswa dengan nilai rata-rata adalah 78,42 dan persentase ketuntasan klasikal 92%. Target penelitian pada siklus I masih belum tercapai sehingga penelitian dilanjutkan ke siklus II. Pada pelaksanaan siklus II diperbaiki kekurangan-kekurangan yang ada pada siklus I sehingga nilai rata-rata hasil belajar matematika siswa mengalami peningkatan menjadi 82,94 dengan persentase ketuntasan klasikal 100 %. Hal ini menunjukkan bahwa target penelitian telah tercapai pada siklus dua yaitu nila rata-rata hasil belajar siswa berdasarkan PAP masuk dalam kategori tinggi sehingga dapat disimpulkan bahwa  penggunaan model pembelajaran kontekstual  dapat meningkatkan hasil belajar matematika siswa kelas 5 SD Negeri 4 Kaliuntu Tahun 2017/ 2018.
PENERAPAN MODEL PEMBELAJARAN KONTEKSTUAL UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA Setiawan, Panji; Sudana, Dewa Nyoman
Jurnal Ilmiah Pendidikan Profesi Guru Vol. 2 No. 3 (2019): November 2019
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jippg.v2i3.14278

Abstract

This research was motivated by the low of mathematics learning result in 5th grade students in SD Negeri 4 Kaliuntu. The low of mathematics learning result  was caused by the low understanding of the students in the subject materials presented by the teacher. In the delivery of materials, teachers did not use learning models with a scientific approach that caused students to appear less active in learning activities. The purpose of this research was to enhance the result of mathematics learning result in 5th grade students in SD Negeri 4 Kaliuntu. The kind of this research was a classroom action research wich was conducted in  two cycles. Each cycle had stages including of action planning, implementation, observation, and reflection. This research  used contextual teaching learning model. The results showed that there was an increase in student learning result in each cycle. Before the research was conducted, the average of students’mathematics score that taken from the first semester was 67.98. In the first cycle could be seen that there was an increase in student learning result with the average score is 78.42 and 92% classical completeness percentage. The target of research in the first cycle hadn’t reached so that the research was continued into second cycle. In the implementation of the second cycle, the deficiencies that existed in the first cycle was fixed so that the average score of students' mathematics learning result increased to 82.94 with 100% classical completeness percentage. This indicate that the target of the research has been achieved in second cycle. The average of student learning result based on the PAP is in the high category so it can be concluded that the use of contextual teahing learning model can improve the learning outcomes of 5th grade students of SD Negeri 4 Kaliuntu Year 2017/2018. Key Word: CTL, Mathematics Learning Result
PENERAPAN MODEL PEMBELAJARAN KONTEKSTUAL UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA Setiawan, Panji; Sudana, I Dewa Nyoman
Jurnal Ilmiah Pendidikan Profesi Guru Vol. 1 No. 2 (2018): Agustus 2018
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jippg.v1i2.16397

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya hasil belajar matematika siswa kelas 5 SD Negeri 4 Kaliuntu. Rendahnya hasil belajar matematika siswa disebabkan oleh rendahnya pemahaman siswa terhadap materi pelajaran yang disampaikan oleh guru. Dalam penyampaian materi, guru tidak menggunakan model pembelajaran dengan pendekatan saintifik yang menyebabkan ada siswa yang terlihat kurang aktif dalam kegiatan pembelajaran. Adapun tujuan dilaksanakannya penelitian ini adalah untuk meningkatkan hasil belajar matematika siswa kelas 5 SD Negeri 4 Kaliuntu. Penelitian ini merupakan penelitian tindakan kelas yang terdiri dari dua siklus. Tiap siklus mempunyai tahapan diantaranya tahap perencanaan tindakan, tahap pelaksanaan, tahap observasi, dan tahap refleksi.  Dalam penelitian ini digunakan model pembelajaran kontekstual. Hasil penelitian menunjukkan bahwa terjadi peningkatan hasil belajar siswa pada tiap siklus. Sebelum dilaksanakan penelitian, nilai rata-rata matematika siswa yang diambil dari nilai semester I adalah 67,98. Pada siklus I dapat diketahui bahwa terjadi peningkatan hasil belajar matematika siswa dengan nilai rata-rata adalah 78,42 dan persentase ketuntasan klasikal 92%. Target penelitian pada siklus I masih belum tercapai sehingga penelitian dilanjutkan ke siklus II. Pada pelaksanaan siklus II diperbaiki kekurangan-kekurangan yang ada pada siklus I sehingga nilai rata-rata hasil belajar matematika siswa mengalami peningkatan menjadi 82,94 dengan persentase ketuntasan klasikal 100 %. Hal ini menunjukkan bahwa target penelitian telah tercapai pada siklus dua yaitu nila rata-rata hasil belajar siswa berdasarkan PAP masuk dalam kategori tinggi sehingga dapat disimpulkan bahwa  penggunaan model pembelajaran kontekstual  dapat meningkatkan hasil belajar matematika siswa kelas 5 SD Negeri 4 Kaliuntu Tahun 2017/ 2018.Kata-kata Kunci     : Pembelajaran Kontekstual, Hasil Belajar Matematika
SCREENING AND DETERMINATION OF EMULSIFICATION ACTIVITY OF SURFACTANT-PRODUCING BACTERIA FROM PALM OIL INDUSTRY LIQUID WASTE Elsyana, Vida; Alvita, Livia Rhea; Afifah, Dian Ayu; Feladita, Niken; Setiawan, Panji
Jurnal Pendidikan Matematika dan IPA Vol 16, No 2 (2025): May 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jpmipa.v16i2.90726

Abstract

Biosurfactants are natural surfactants produced by certain microorganisms (bacteria, fungi, and yeast) and are considered the best candidates for replacing synthetic surfactants. Bacteria isolated from oil spill areas have shown the ability to produce biosurfactants. This study enriched bacteria from anaerobic wastewater of palm oil industry in Lampung then isolated and screened natural surfactant-producing bacteria and measured their emulsification activity. Screening of surfactant-producing bacteria was carried out using oil spreading assay and their emulsification activity was measured based on the emulsification index (EI). The results of the study obtained 7 bacterial isolates and all showed positive results in the oil spreading assay. The highest emulsification index (EI) was produced by the fifth isolate (LAC5) with a value of 42.32%. These results show the potential for emulsification activity of biosurfactants produced by anaerobic wastewater bacteria from palm oil industry ponds.