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Membangun Number Sense Anak Usia Dini melalui Eksplorasi Pola Bilangan di TK Annur Deli Serdang Ade Rahman Matondang; Yulia Tiara Tanjung; Irwansyah Irwansyah
Journal of Innovative and Creativity (Joecy) Vol. 6 No. 2 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i2.12835

Abstract

Number sense is a crucial cognitive foundation for early childhood that significantly influences their mathematical readiness in subsequent levels of education. This quantitative study aims to determine the effect of implementing number pattern exploration methods in building early childhood number sense. The research method used was a quasi-experimental approach with a One-Group Pretest-Posttest Design. The research population consisted of all children in Group B at TK Annur Deli Serdang, with a total sampling of 15 children. Data on children's number sense abilities were collected through structured performance test instruments that measured three main indicators: magnitude awareness, estimation, and understanding of inter-number relationships. The data analysis technique utilized the parametric statistical tool, the Paired Sample T-Test. The descriptive analysis results indicated a significant increase in the children's average number sense score from a pretest score of 42.50 (Starting to Develop category) to 84.15 (Very Well Developed category) in the posttest. The hypothesis testing results showed that the t\text{-value} > t\text{-table} with a significance level of 0.000 < 0.05. Therefore, it can be concluded that the exploration of number patterns has a significant effect on building early childhood number sense at TK Annur Deli Serdang. Keywords: Number Sense, Number Patterns, Early Childhood, Experimental Research
MANAJEMEN MUTU DALAM MENINGKATKAN PROFESIONALISME GURU DI MTS MUHAMMADIYAH 15 MEDAN Irwansyah Irwansyah; Nazli Fahada
JURNAL TARBIYAH Vol 31, No 2 (2024)
Publisher : UIN Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/tar.v31i2.3749

Abstract

This research aims to determine Quality Management in Increasing Teacher Professionalism at MTS Muhammadiyah 15 Medan. The research method used is a qualitative method. Data collection techniques include observation, interviews and documentation with emphasis on informant data sources: madrasah principals, deputy madrasah principals and teachers to confirm the validity of the data obtained. The results of this research reveal three findings, namely: (1) To find out Quality Management in Improving Teacher Professionalism at MTS Muhammadiyah 15 Medan, (2) To find out the steps taken by madrasah heads in Quality Management in Increasing Teacher Professionalism at MTS Muhammadiyah 15 Medan (3 ) To find out the obstacles of madrasa heads in Quality Management in Increasing Teacher Professionalism at MTS Muhammadiyah 15 Medan. From the explanation above, it can be concluded that quality management in improving teacher professionalism carried out by madrasah heads starts from planning such as the process of selecting teachers in recruitment then carrying out organizing such as empowering the competencies possessed by teachers, and also placing teachers according to their majors and competencies, after It coordinates Teacher Working Groups (KKG), holds education and training (diklat), Subject Teacher Conferences (MGMP), and involves teachers in Quality Management in Increasing Teacher Professionalism at MTS Muhammadiyah 15 Medan.