This study aims to determine the improvement of students' mathematical communication skills in online learning by using instructional video media. The study used a quasi-experimental method with a pretest-posttest control group design. The research subjects were students of class VIII in a private Junior High School in Bandar Lampung City. There are two classes in this study, namely the experimental class consisted of 33 students and the control class consisted of 33 students. The experimental class received online learning using instructional video media, while the control class used the method without giving intructional videos. The research instrument used a mathematical communication ability test. The results showed that the inprovement in mathematical communication skills in the experimental class was better than the control class
The COVID-19 pandemic has impacted various aspects of people's lives, including the economic sector that occurred in Tanjung Waras Hamlet, Merak Batin Village, RT 15, South Lampung. The observations show the residents' lack of knowledge and creativity in managing the harvest of chicken livestock to improve the creative economy of the residents. Therefore, to maximize this potential, our community service team from the University of Muhammadiyah Lampung assists the community by utilizing chicken harvest to improve the economy. The research method used is qualitative, with activities consisting of preparation, assistance, implementation, evaluation, and monitoring. Data is collected using observation techniques, questionnaires, interviews, and group discussion forums (FGD). This activity was carried out on 6-12 July 2021 in Tanjung Waras Hamlet, Merak Batin Village, RT 15 participants with 20 participants. The results of this activity show that: 1) 90% of respondents succeeded in making frozen food products made from chicken. 2) sales results after being processed into frozen food products provide profits of up to more than 75%. This also makes residents more creative in processing raw chicken pieces into processed products that can provide income and help residents overcome economic problems during the COVID-19 pandemic. Marketing of processed products is carried out by residents from home and also through social media.
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