EXPLORING THE CONCEPTS OF ROWS AND SERIES IN THE TRADITIONAL KOKER PLANTING PATTERN

Lusia Bince Kumanireng; Maria Enjelina Langkamau

doi:10.37478/jupika.v9i1.7707

Authors

Lusia Bince Kumanireng Larantuka Institute of Education and Technology, Larantuka, Flores Timur-NTT, Indonesia
Maria Enjelina Langkamau Larantuka Institute of Education and Technology, Larantuka, Flores Timur-NTT, Indonesia

DOI:

https://doi.org/10.37478/jupika.v9i1.7707

Abstract

This study aims to explore the concept of rows and arithmetic series in the traditional Koker cropping pattern of the local farming community. As an ethnomathematics study, this research seeks to bridge the gap between local agrarian wisdom and formal mathematics in schools. The research method used is qualitative with an ethnographic approach, where data is collected through observation, interviews, and documentation. The results show that the Koker system is not simply an intercropping technique, but rather a manifestation of spatial logic and traditional "smart farming" that prioritizes space efficiency. Deconstruction of the cropping pattern reveals a consistent arithmetic row structure, where the number of seeds in each row can be formally modelled through the formula U_n= (a + (n-1) b) and the total plant population through the series formula S_n= n/2 (2a + (n-1) b). These findings confirm that the Koker pattern can function as a "living laboratory" and a contextual source for learning mathematics. This research contributes to the development of a culture-based mathematics curriculum while preserving the intellectual heritage of local wisdom amidst the current agricultural modernization.

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Keywords:

Ethnomathematics, Koker Pattern, Rows and Sequences, Traditional Farming

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