Abstract
Calculus is a branch of mathematics that must be studied in school, especially at the high school level. One of the subjects in calculus is the application of integral on the volume of solid of revolution. The use of learning video as media can help students in a conceptual understanding of the volume of solid of revolution, which is one of the abstract objects in calculus. This article discusses the development of solid revolution learning videos' volume. It describes students' perception, pre-service mathematics teachers, and in-service mathematics teachers in the video. The subjects who participated in this study were 48 students in grade 12 in one state high school in Sambas Regency, West Borneo, 8 pre-service mathematics teachers of one of the universities in Yogyakarta, and 3 high school mathematics teachers in Sambas Regency. Data were collected by using a questionnaire consisting of several open questions. Through open questions, subjects were intended to express their ideas or opinions about the learning video. The finding showed that most respondents have positive perceptions of calculus learning video. 76,74% of students agree that the video is suitable for use at the beginning of learning this subject; all in-service mathematics teachers agree, and 75% of pre-service mathematics teachers also agree. This indicates that the learning video can be used as one of the teaching aids in the learning of solid revolution
Highlights
IntroductionSome of the topics in mathematics require learning media in order to be able to bridge the topic to be taught and the students themselves
Some reason why technologies are used in the learning of mathematics is because it can facilitate the understanding of the concepts, and it is superior in doing mathematical tasks (Cuoco, Goldenberg, & Mark, 1995)
Based on the description above, the purpose of this study is to develop calculus learning videos, especially on the topic of the volume of revolution with the disk method, and to describe the perception of students, pre-service mathematics teachers, and in-service mathematics teachers on volume of solid of revolution learning video
Summary
Some of the topics in mathematics require learning media in order to be able to bridge the topic to be taught and the students themselves. Media is a plural noun of a medium. Medium is something that is used to communicate directly with humans, without having to meet face-to-face (Buckingham, 2003). Heinich, Molenda, Russel, & Smaldino (1996) medium is defined as a communication channel, derived from the Latin "between" which refers to anything that carries information between the source and recipient. Learning media can include technology assistance because teaching will be more effective using the right technology assistance. Some reason why technologies are used in the learning of mathematics is because it can facilitate the understanding of the concepts, and it is superior in doing mathematical tasks (Cuoco, Goldenberg, & Mark, 1995)
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