The ability to create and prove conjectures, including the characteristics of an abstraction thinking process. A conjecture is a statement that cannot be verified, therefore a conjecture needs to be checked for truth. In order to guide students in proving conjectures, teachers can use models and learning media that can support students in conducting their investigations. In this study, the learning model used is Creative Problem Solving, the ICT-based media used is video learning. The type of research used is descriptive qualitative research, which aims to describe students’ abilities in proving conjectures. Data collection techniques used are walk-through and interview. Based on the results of the analysis, it was found that some students were able to prove their conjecture through ICT-assisted CPS learning.

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