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The research methodology used by researchers in this research is a research and development approach. The researchers in this study used a research plan that combines a three-dimensional model consisting of four different development stages: Define, Design, and Develop. The participants involved in this research were class VIII students of SMP Negeri 1 Teriak. The method used in selecting the sample used a purposive sampling technique. Purposive sampling is a sampling technique that involves deliberate selection based on certain reasons. Researchers use many data collection strategies, including indirect communication tactics and measurement techniques. The data collection methods used in this research include the use of validation sheets, questionnaires, and assessment of mathematical understanding abilities. Based on the results of the discussion in this research, it can be concluded that the level of validity of interactive video learning media in the form of animated videos on relationship and function material based on direct instruction can be classified as valid with a percentage of 85.27%, the level of practicality obtained is 90.58% with very practical and high level criteria. The effectiveness obtained was 80.76% with effective criteria.

The educational process functions as the intellectual development and potential of students. The use of appropriate learning models or media can encourage the growth of students' enjoyment of the learning process, increasing learning motivation. This study applies the ASSURE learning model with Mentimeter media which can be accessed through each student's device. Menimeter media is used as a form of technology application in the learning process. Mentimeter can be used as an online presentation medium or presented in a quiz format to assess students' understanding of the material provided by the teacher (Zulfa & Huda, 2021). This study uses a qualitative research method with a descriptive approach method with research instruments that use test instruments and non-test instruments. The results of this study indicate that the ASSURE model with mentimeter media can be applied in learning to analyze the systematics and language of scientific work. The use of meter media in the learning process can motivate students in learning which affects the acquisition of learning outcomes.