This engaging lesson plan designed for students in grades 7-12 demonstrates a commendable effort to bridge various modes of thought through mathematics. By exploring mathematical concepts such as modulo, multiplication, and remainder, students are introduced to the ancient Javanese number system, and the ethnomathematics associated with the Saka calendar. The lesson not only imparts knowledge about a unique historical calendar but also aims to convey the wisdom of the ancestors to the younger generation. Beyond the mathematical principles, the overarching goal is to develop students’ appreciation for cultural heritage, fostering a mindset of curiosity and openness to ongoing exploration of cultural legacies throughout their learning journey. All in all, this lesson plan exemplifies an innovative approach to connecting mathematical concepts with cultural understanding, promoting a holistic and interdisciplinary learning experience.

Country: Indonesia