This study aims to analyze students' metacognitive abilities in terms of metacognitive awareness inventory on geometry topics during the Covid-19 pandemic. The method used in this research is a descriptive qualitative method. The research was conducted at Vocational High School Swadaya Karangnunggal Indonesia in the 2020/2021 academic year. The population in this study was the eleventh-grade student of office automation and governance, totaling 24 students. The questionnaire consists of 35 statement items with five indicators, namely planning (7 items), strategies for managing information (10 items), monitoring of understanding (7 items), improvement strategy (5 items), and evaluation (6 items). The stages in metacognitive ability are planning, monitoring, and evaluating stages. The results showed that students with good metacognitive abilities could carry out all metacognitive stages well, solving problems, planning, monitoring, and evaluating. Students with moderate metacognitive abilities cannot carry out all metacognitive stages in solving problems. They can carry out the planning stage, and some indicators cannot be completed properly. Then at the monitoring stage, they cannot monitor implementation activity to solve the problem because one of the subjects misunderstood the intent of the problem. The other subject experienced a calculation error when solving the problem. While at the evaluation stage, they could not complete all the indicators. Students with low metacognitive abilities cannot carry out all metacognitive stages in solving problems. They can only carry out the planning stage. Some indicators cannot be completed properly. Then they cannot carry out the monitoring and evaluation stages with all indicators.

This study aims to develop adobe flash learning media based on metacognitive abilities. The research method used is research and development (R&D) with the ADDIE model, which consists of 5 stages: Analysis, Design, Development, Implementation, and Evaluation.This research was conducted at SMA Negeri 1 Bantarkalong in the odd semester of the 2021/2022 academic year. Limited trials were carried out on five students of class XII MIPA 1, and field tests were carried out on class XII MIPA 2, which amounted to 21 people. The validation results of material and media experts stated that the adobe flash learning media based on metacognitive abilities was valid and could be used with some improvements.Based on the questionnaire responses, the limited trial students scored 191 in the "Good" category.At the same time, the results of the teacher's response questionnaire got a score of 132 in the "Very Good" class.Then the teaching activity observation sheet results obtained a teaching implementation score of 94% with the "Very Good" category. In addition, the results of the questionnaire responses from field test students scored 866 in the "Very Good" category.