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Journal : JPMI (Jurnal Pembelajaran Matematika Inovatif)

Analisis prospektif pembelajaran konsep kesebangunan kelas VII SMP Fuadiah, Nyiayu Fahriza; Fadhilah, Fadhilah; Lestaria Ningsih, Yunika
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 5 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i5.28605

Abstract

This study aims to identify learning obstacles and develop a Hypothetical Learning Trajectory (HLT) for teaching the concept of similarity in Grade VII. The research is part of Didactical Design Research at the prospective analysis stage. Data were collected through textbook review, analysis of instructional materials, curriculum documents, diagnostic tests, and interviews with teachers and students. Analysis techniques include qualitative analysis, descriptive statistics, and data triangulation. Findings reveal types of learning obstacles: (1) ontogenetic, low conceptual readiness; (2) epistemological, inability to relate ratios to similarity conditions, compare corresponding sides, and make sketches; and (3) didactic, materials that lack explicit explanation of similarity conditions, offer few contextual activities, and focus on procedures. Based on these findings, the HLT includes three goals: informal recognition of similarity, identifying similar triangles based on conditions, and solving contextual problems through exploratory activities, group discussion, and real-life contexts. The study implies that systematic identification of learning obstacles is essential for designing more adaptive and meaningful instructional interventions.
Co-Authors Abd. Rasyid Syamsuri Achmad Amin Setiabudi Aldora Pratama Ali Fakhrudin, Ali Allen Marga Retta, Allen Marga Anna Nurkhasanah Apriani, Frety Nur Arief Kuswidyanarko Ary Prasetya Asnurul Isroqmi Bella Mita Riyani Bella Mita Riyani Budi Utomo Cahyani, Winda Dwi Cahyanti, Windi Dwi Cici Farida Darmayana, Eka Putri Destiniar Destiniar Destiniar Destiniar, Destiniar Destiniar, Destiniar Didi Suryadi Dina Octaria Dina Octaria Ety Septiati Eva Yogie Novianti Fadhilah Fadhilah Fitriasari, Putri Frananda Ayu Julianti Henni Riyanti Henny Riyanti Hidaya, Azakri Rama Irawan, David Budi Isnaini Indah Muthmainah Jayanti, Jayanti Julianti Izza Sufitri Jumroh Jumroh, Jumroh Kuswidyanarko, Arief Lestari, Marlina Ayu Lestaria N, Yunika Lestaria Ningsih, Yunika Liza Fitri Uswatun Khasanah Lorenza, Dela Lusiana Lusiana Lusiana Lusiana Lusiana, Lusiana Margaretha Ervina Sinaga Marhamah Marhamah Marhamah Mariyani Mariyani Maskunah, Cicih Maulina, Rosita Maya Puspitasari Mei lani Miftah Indasari Misdalina Misdalina Muhammad Fikri Irawan Mulbasari, Anggria Septiani Murjainah M. Murjainah Murjainah Murjainah, Murjainah Neshi Neshi Nila Kesumawati Ningsih, Indah Septi Ningsih, Yunika Lestaria nopi yanti Nora Surmilasari, Nora Patricia Lubis, Patricia Permata Wulan Sari Portuna, Nanda Dwi Ayu Pratama, Aldora Putri Fitriasari Rahmadianti, Annisa Retta, Allen Marga Reza Gunawan Ria, Aprilyanti Mega Riyanti, Henni Rizky, Nora Rohana Rohana ROHANA ROHANA Sari Indah Pratiwi Sefti Arianti Shinta, Rama Siti Fatimah siti walida sundari, indah Surmilasari, Nora Tariska, Nadia Tika Dwi Nopriyanti tri wahyuni Turmudi Wati, Indah Kartika Widuri, Ratih yanti, nopi