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Dwi Kartika Risfianty
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Evolusi: Journal of Mathematics and Natural Sciences
Published by Universitas Nahdlatul Wathan Mataram
ISSN : 26146193     EISSN : 28071654     DOI : -
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Mathematics
Evolusi: Journal of Mathematics and Sciences merupakan jurnal Matematika dan Ilmu Pengetahuan Alam yang dikelola oleh Fakultas MIPA Universitas Nahdlatul Wathan Mataram yang memuat artikel-artikel ilmiah baik berupa hasil penelitian, review artikel maupun kajian pustaka. Fokus dan scope dari Evolusi: Journal of Mathematics and Sciences antara lain: Ilmu Matematika dan Pendidikan Matematika. Matematika Terapan Ilmu Kimia dan Pendidikan Kimia Kimia Terapan Ilmu Biologi dan Pendidikan Biologi Biologi Terapan
Arjuna Subject : Umum - Umum
Articles 52 Documents
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Analisis Parameter Pencemaran Air dalam Penentuan Kualitas Sungai Brantas Ferry Budi Prasetya; Yeyek IhdalUmam; Ratno Budiyanto
EVOLUSI: JOURNAL OF MATHEMATICS AND SCIENCES Vol 7 No 1 (2023): April 2023
Publisher : Fakultas MIPA Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/evolusi.v7i1.1685

Abstract

The Brantas River is still used for bathing, washing, and toilet purposes by the community around the river located on Agung Suprapto Dalam Street, Klojen District, Malang Regency. This needs attention because from the physical conditions observed, the Brantas River is suspected to have been polluted due to waste discharges from households and Syaiful Anwar Hospital. Therefore, it is necessary to analyze pollution parameters to determine the quality of the Brantas River. This research consists of two stages, namely field and laboratory activities. Field activities are the sampling stage and laboratory activities are the sample parameter analysis stage. The analysis results show that the pH of the water body is 7.3; temperature is 27 oC; alkalinity/acidity is 64.3 ppm; hardness is 11 oD; turbidity is 006 NTU; TSS is 40 ppm; TDS is 140 ppm; DO is 12.3 mg/L; BOD is 95%; COD is 88 mg/L; and dissolved CO2 content is 74.8 mg/L. Based on these data, it can be concluded that the Brantas River is included in class 3 of water quality with a moderate pollution category according to Government Regulation Number 22 of 2021.
Analisis Kebutuhan LKPD Berbasis Model Problem Based Learning Pada Pembelajaran Matematika SMP Nilza Humaira Salsabila; Sripatmi Sripatmi; Ratna Yulis Tyaningsih; Dwi Novitasari; Tabita Wahyu Triutami
EVOLUSI: JOURNAL OF MATHEMATICS AND SCIENCES Vol 7 No 1 (2023): April 2023
Publisher : Fakultas MIPA Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/evolusi.v7i1.1686

Abstract

The purpose of this research is to describe the results of the analysis of the needs of junior high school mathematics teachers towards the development of problem-based learning worksheet learning media to improve the numeracy skills. This research is part of development research which consists of 3 phases based on Plomp namely, Preliminary Research phase, Development phase, and Assessment phase. This research is in the Preliminary Research phase to analyze the needs of product or media development. The product developed in this study is a worksheet learning media based on the Problem Based Learning model. The subjects in this study were 18 junior high school math teachers, consisting of 10 males and 8 females. The data collection technique used in this study is a non-test technique using a research instrument in the form of a questionnaire. The questionnaire compiled is related to the needs of junior high school mathematics teachers for the development of problem-based learning worksheets. The results of the study show that the mathematics teacher agrees that Problem-Based Learning-based LKDP learning media needs to be developed to assist in improving students' numeracy skills.

Page 6 of 6 | Total Record : 52

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