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All Journal Hijri Journal International Journal of Teaching and Learning (INJOTEL)
Nur Halimah Matondang
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Religion Education Mathematics Other

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KOMPETENSI MANAJERIAL KEPALA SEKOLAH DALAM MENINGKATKAN PROFESIONALISME GURU DI SMP NEGERI 27 MEDAN Nur Halimah Matondang
Hijri Vol 7, No 1 (2018): HIJRI
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/hijri.v7i1.1832

Abstract

The purpose of this research is to know the 1). The professional competence of teachers, the principal managerial Competencies against professional competence improvement of teacher and principal Strategies in improving the professionalism of teachers in Junior High School 27-country terrain. This type of qualitative research with a naturalistic approach through observation, interviews, and documentation study. Analysis of the data, namely data reduction, data presentation, and conclusion, the validity of the withdrawal of data refers to the four standard validation consists of credibility, keteralihan, dependency, and certainty. The results showed: 1) peneltian. Teacher Professional Competence can be seen from the competence of teachers who teach processed and can be diketahuai that there are teachers who can be said to be professional even though not yet comprehensive. 2). managerial Competence principal against an increase in the professionalism of teachers is done through planning that involves teachers and adapt to the needs of teachers, as well as the implementation of activities that can improve the profesionalsme of teachers and training, 3). The principal strategy in improving the professionalism of teachers through the principal strategies to include and require teachers to follow a training, workshop, following the MGMP (musyawarah guru mata pelajaran, and mastery against the RPP study)Keywords: The Managerial Competencies Of The Principal, Teacher Professionalism
USING PHET-BASED GRAPHING QUADRATICS SIMULATION TO ENHANCE STUDENTS' MATHEMATICAL VISUAL SKILLS Ahmad Rifai Siregar; Nur Halimah Matondang; Hamidah Nasution
International Journal of Teaching and Learning Vol. 2 No. 10 (2024): OCTOBER
Publisher : Adisam Publisher

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Abstract

This study aims to analyze the effect of using PhET-based Graphing Quadratics simulations on students' mathematical visual skills in graphing quadratic equations. Involving 50 tenth-grade students divided into two groups, with 25 students in the experimental group and 25 in the control group, this research employed a pretest-posttest method to measure students' skill improvement. The results indicate that the experimental group experienced an average posttest score increase of 23.2 points, while the control group only improved by 7.4 points. Statistical analysis using independent t-tests yielded a p-value of 0.001, indicating a significant difference between the two groups. Students in the experimental group also demonstrated a better understanding of key graph elements, such as vertex and axis of symmetry. Student feedback highlighted an increase in interest and motivation when using the simulation, enriching their learning experience. This study recommends the use of PhET simulations as a teaching aid in mathematics education to enhance students' understanding and skills.
Co-Authors Ahmad Rifai Siregar Nasution, Hamidah .