This study aims to describe the development of using audio-visual media learning media in the era of the covid-19 pandemic at Sdn 4 Tangerang base, a school located in the Tanjung Pasir area, Tangerang district. According to our observations in the field when teachers teach via online, there are some students who have difficulty understanding math subjects. Where students eventually become bored, consider mathematics a difficult subject, so students judge that mathematics is a boring subject. To reduce this, the latest and interesting learning media are needed to stimulate the creativity of students, including using audio-visual media. The method used is RnD (Development). The results obtained that the audio-visual media met the feasibility value used as a learning medium.