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Abstract Some studies state that mathematical ideas sometimes could be derived through a cultural-based habit or activities. This research was investigated how students are struggle in making sense three-dimensional shapes concepts by observing how Osing people doing a simple mathematical explanation in their celebrating annual festival called Tumpeng Sewu (Thousands of Tumpeng ). Besides, as one of the dynamic software, GeoGebra software seems to be a great idea to be integrated into university-level geometry learning. To that end, a study was conducted to know how the Osing ways in making tumpeng to be collected and presented during the Tumpeng Sewu . Morover, it can help mathematics education students at University of Jember to do a better way in making sense of three-dimensional shapes concepts. After doing some research phases, the result of the statistical analysis shows the differences between pre-test and post-test score. In addition, a positive response related to the use of GeoGebra is achieved and the use of GeoGebra during geometry space learning can help in setting up effective geometry learning.
Safrida et al. (Sat,) studied this question.