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Mengoptimalkan Kebutuhan Gizi Balita dengan Metode Simpleks Menggunakan POM-QM untuk Pencegahan Stunting Nurrochmah Sri Rahayu Nurrochmah; Saluky
Perspectives in Mathematics and Applications Vol 1 No 1 (2025): Juni
Publisher : Kreasi Pustaka Mandiri (Krestama)

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Abstract

This research aims to develop an optimization mathematical model to help meet toddlers' daily nutritional intake needs to prevent stunting. The Simplex method is applied in this model to determine food combinations that meet the standards of nutritional needs at minimal cost, considering budget constraints and the availability of foodstuffs so that they can be adapted to diverse socioeconomic conditions. The POM-QM application is used as a calculation tool to apply the Simplex method, making the optimization process more practical and accurate. Mathematical modeling is carried out by compiling a function of objectives by minimizing the cost of consuming foodstuffs that meet the daily nutritional needs of toddlers, including protein, fat, carbohydrates, iron, vitamin A, and vitamin C. The optimization results showed that nutritional needs could be optimally met with a combination of vegetable soup consumption of 22.5 grams, Tempe 8.476 g, and banana 4.5 g, with a total minimum cost of IDR 146,928. The nutrient content of the combination exceeds daily needs, such as protein (241.41 g), fat (274.06 g), Fe (82.93 mg), as well as vitamin A (450 RE) and vitamin C (45 mg), while carbohydrates are fulfilled exactly as much as 220 grams. These results show that the optimization approach can be used to design a balanced, nutritious diet that is cost-efficient as an effort to prevent stunting in toddlers.
The Effectiveness of Using WordPress CMS as an Interactive Learning Media on Students' Mathematical Problem Solving Ability Chaerul Alfat; Saluky; Widodo Winarso
Universal Education Jurnal Teaching and Learning Vol 2 No 2 (2025): April-June Edition
Publisher : Universal Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63081/uejtl.v2i2.50

Abstract

Students’ mathematical problem-solving abilities remain low due to the lack of interactive media and technological limitations in learning. Previous studies have primarily focused on the practicality, validity, and effectiveness of learning media in improving student achievement. This study offers a new contribution by specifically examining the effectiveness of WordPress-based CMS in enhancing students’ mathematical problem-solving skills. The research aims to investigate the effectiveness of using WordPress CMS as an interactive learning medium for students at MTs Negeri 11 Cirebon. A quasi-experimental design was employed, involving an experimental group using WordPress CMS and a control group using conventional media. The findings indicate that students’ acceptance of the WordPress-based learning media was in the good category (86.32%). There was an increase in post-test scores (86.05) compared to pre-test scores (31.67), with classical mastery reaching 93%. The effect test showed that the use of WordPress CMS had a significant influence on problem-solving ability, contributing 64.6%. An independent sample t-test revealed a significant difference between the experimental and control classes, with an N-Gain of 79.28% (effective) in the experimental group and only 22.6% (ineffective) in the control group. The study is limited by its sample scope and the specific features of CMS used. The findings suggest that WordPress CMS can serve as an innovative tool in digital mathematics learning, providing a more interactive and effective learning experience. Academically, this study enriches the discourse on digital media development and encourages the integration of CMS platforms into technology-based mathematics instruction.