This research aims to develop a prototype of contextual elementary school mathematics problems based on Bengkulu culture by modifying seven conventional problems into authentic narratives that integrate local elements such as the renovation of the Jamik Mosque (mixed arithmetic), the average number of visitors to Soekarno's House (descriptive statistics), the area of the Anggut Atas rembulan batik cloth (area measurement), the volume of the Seluma durian lempuk packaging (cube volume), the circumference of the Rafflesia Kepahiang fence (circumference of a circle), the symmetry of the Besurek batik nail niche motif (transformation geometry), and the remaining spices (fractions). The Define-Develop phase focused on reconstructing the Merdeka curriculum document without field testing, resulting in an instrument that maintains conceptual rigor while enhancing affective relevance in line with Realistic Mathematics Education. The prototype is ready for dissemination as an inclusive teaching material, with implications for teacher training and digital media for elementary school mathematics learning in Bengkulu.
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