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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang Multidisciplinary Indonesian Center Journal
Sakinah Siregar
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DEVELOPMENT OF A MATHEMATICS LEARNING MODULE WITH THE MISSOURI MATHEMATICS PROJECT (MMP) MODEL ON THE TOPIC OF ALGEBRAIC FUNCTION LIMITS FOR GRADE XI MA AL-JUNAIDIYAH, DISTRICT MANDAILING NATAL Febri Tanjung; A. Naashir M. Tuah Lubis; Sakinah Siregar
Multidisciplinary Indonesian Center Journal (MICJO) Vol. 2 No. 3 (2025): Vol. 2 No. 3 Edisi Juli 2025
Publisher : PT. Jurnal Center Indonesia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62567/micjo.v2i3.1060

Abstract

This research is driven by the limited use of mathematics learning tools such as teaching modules in schools. At MA Al-Junaidiyah in Mandailing Natal Regency, learning still largely relies on textbooks based on the 2006 curriculum, resulting in low student achievement in mathematics, particularly in the topic of algebraic function limits. This study aims to determine the validity, practicality, and effectiveness of a Mathematics Learning Module developed using the Missouri Mathematics Project (MMP) Model for the topic of Algebraic Function Limits for Grade XI students at MA Al-Junaidiyah. The research follows the Research and Development (R&D) methodology with the ADDIE development model comprising five stages: Analysis, Design, Development, Implementation, and Evaluation. Module validation involved experts in content, media, and language. The trial was conducted with 23 students of class XI-2. Two validators were assigned for each area. Results showed that the module achieved an overall validity score of 84.29%, categorized as valid. Its practicality reached 89.75%, categorized as practical. Student learning effectiveness reached 47%, showing the module is effective in improving learning outcomes. Therefore, the module is deemed feasible, engaging, and beneficial for enhancing student achievement.
DEVELOPMENT OF LKPD BASED ON BRAIN BASED LEARNING USING CROSSWORD PUZZLES ON THE TOPIC OF ARITHMETIC SERIES AND SEQUENCES FOR CLASS X MAS DARUL ISTIQOMAH PADANGSIDIMPUAN Febri Yanti Tanjung; A. Naashir M. Tuah Lubis; Sakinah Siregar
Multidisciplinary Indonesian Center Journal (MICJO) Vol. 2 No. 3 (2025): Vol. 2 No. 3 Edisi Juli 2025
Publisher : PT. Jurnal Center Indonesia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62567/micjo.v2i3.1083

Abstract

This study is motivated by the lack of use of mathematics learning tools such as student worksheets (LKPD) at MAS Darul Istiqomah Padangsidimpuan, where teacher handbooks and textbooks are more frequently used. Additionally, the students' mathematics learning outcomes, particularly in the topic of arithmetic sequences and series, are low. This study aims to assess the validity, practicality, and effectiveness of student worksheets (LKPD) based on brain-based learning (BBL) using crossword puzzles in the topic of arithmetic sequences and series for class X at MAS Darul Istiqomah Padangsidimpuan. This research is a research and development (R&D) study. The development model used in this research is the 4D model, which consists of four stages: Define, Design, Development, and Disseminate. The validation of the LKPD includes material validation, media validation, and language validation. The trial was conducted in class X-B, with a total of 19 students at MAS Darul Istiqomah Padangsidimpuan. The material experts, media experts, and language experts each consisted of 2 validators. The results of this study indicate that the developed LKPD meets the eligibility criteria, with an overall validation percentage of 87.32%, categorized as valid. The practicality of all aspects is shown by a value of 85.63%, categorized as very practical. The effectiveness is indicated by an average student learning outcome score of 71%, calculated from the overall average learning outcomes of the students, categorized as effective. Therefore, it can be concluded that the LKPD is feasible, engaging, and capable of improving student learning outcomes.
DAMPAK PENGGUNAAN SMARTPHONE TERHADAP SOSIAL EMOSIONAL ANAK USIA 4-5 TAHUN DI RA FATHURROZAK SIHITANG PADANGSIDIMPUAN Susilawati Munthe; Lis Yulianti Syafrida Siregar; Sakinah Siregar
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 01 (2026): Volume 12 No. 01 Maret 2026 Publish
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i01.11591

Abstract

This study aims to examine the impact of smartphone use on the social emotional of children aged 4-5 years at RA Fathurrozak Sihitang Padangsidimpuan. This study specifically focuses on children aged 4-5 years at RA Fathurrozak Sihitang Padangsidimpuan. The formulation of the problem in this study is how the impact of smartphone use on the social emotional of children aged 4-5 years at RA Fathurrozak Sihitang Padangsidimpuan. The main objective of this study is to find the impact of smartphone use on the social emotional of children aged 4-5 years at the school. This study uses a qualitative descriptive research method, using observation, interviews, and documentation for data collection. The subjects of this study included four children aged 4-5 years and their parents, as well as teachers at RA Fathurrozak Sihitang. The results of the study show that: the impact of smartphone use on the social emotional of children aged 4-5 years at RA Fathurrozak Sihitang Sidimpuan has a significant influence, namely there are negative and positive influences. Where children still often show less interaction with peers and the surrounding environment and difficulty managing emotions. In this case, children also experience increased knowledge through the educational content they view. Researchers stated this based on interviews and observations at the study site. Of the four children, three had poor social-emotional skills because, after using smartphones, they became more withdrawn and unwilling to go out. This occurred because parents did not limit smartphone usage time, leading the children to be more interested in playing with their phones than playing outside. Meanwhile, one child had good social-emotional skills, considered good because the child's social-emotional development met the following indicators: cooperation, willingness to share, two-way communication, and emotional management, including empathy and the ability to play with peers.
Co-Authors Febri Tanjung Febri Yanti Tanjung Lis Yulianti Syafrida Siregar M. Tuah Lubis, A. Naashir Susilawati Munthe