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All Journal Edumatsains Journal of Student Development Information System (JoSDIS)
Rizka Fadila
Universitas Labuhanbatu
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Education Mathematics Physics

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Cross Product Pada Vektor Tegak Lurus Dengan Vektor Asal Anggi Virlanda; Rizka Fadila; Rindiani Rindiani; Rendi Fitrah Handoko; Septyara Sinaga; Hesti Al Duma
Journal of Student Development Information System (JoSDIS) Vol 6, No 1: JoSDIS | Januari 2026
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v6i1.8832

Abstract

The cross product is an operation with geometric characteristics. This study aims to analyze the orthogonality of the cross product of two vectors and its relationship to the original plane. Based on the basic principles of vectors, the cross product of two vectors a and b produces a new vector perpendicular to the plane formed by the two original vectors. This resulting vector is determined by the equation |a × b| = |a| |b| sin⁡θ. The method used is a literature study. The results of the discussion indicate that the perpendicularity property is crucial to the direction and magnitude of the cross product.
The Effectiveness of the Snakes and Ladders Game as a Learning Medium to Enhance Mathematics Learning Motivation Among Seventh-Grade Students Rizka Fadila; Laili Habibah; Sakinah Ubudiyah Siregar
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 11 No 1 (2026): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v11i1.8141

Abstract

Math can seem really hard to middle schoolers, and because of that it can be a less motivating subject for them. As teachers we need to make school more fun and more stimulating. One way I looked at doing that is with the Snakes and Ladders game. My goal was to see how much this game would motivate 7th graders to learn more about Integer Algebra. My study incorporated 25 different students, and the data I used came from a motivation to learn survey I created. I made sure everything from the survey was validated, and elements like consistency and difficulty assessment were created. Based on the results of my study, the Snakes and Ladders game motivated the students to get more involved in the more fun and energetic classroom. The Snakes and Ladders game for motivated the students. I would recommend this game to other teachers because it helps engage students. For motivating younger students to learn math, I would call this a success. My only other recommendation is to use more detailed statistics to justify the success of using Snakes and Ladders as a learning resource on a larger population.
Co-Authors Anggi Virlanda Hesti Al Duma Laili Habibah Rendi Fitrah Handoko Rindiani Rindiani Septyara Sinaga Siregar, Sakinah Ubudiyah