Analysis of students’ mathematical communication skills in web-based geometry in space and plane learning

Nanang Priatna(1), Effie Efrida Muchlis(2*), Syafdi Maizora(3)

(1) Universitas Pendidikan Indonesia
(2) Universitas Bengkulu
(3) Universitas Bengkulu
(*) Corresponding Author

Abstract

Mathematical communication skill in amathematics learning process isa basic skill that must be possessed by students in developing the ability to think, reason, and solve problems. Especially in virtual learning, both online learning and blended learning, teachersmust be able to conductlearning that built students' mathematical communication skills. Implementing web-based geometry in space and plane learning can be an alternative for forming mathematical communication skillswith the aidof technology in today's virtual learning environment. This research aimed to examine 1) how web-based geometry in space and plane learning is implemented, 2) how students' mathematical communication skills are builtthrough web-based geometry in space and plane learning, and 3) what learning alternatives need improvement to optimize students' mathematical communication skills. This research used a qualitative method with instruments in the form of lecturer activity observation sheet, student activity observation sheet, interview guide,and mathematical communication skillstest. Data were collected through observation of learning implementation, mathematical communication skills testing, and interviews based on the test results. The data were analyzed with a descriptive technique.The results showed that 1) web-based geometry in space and field learning can be implemented by exploring with concept discussion on the activity pages, 2)web-based geometry in space and plane learning couldhelp students explore ideas throughoutthe students' mathematical communication skills formation process, and 3) the learning could be improved by developing an HLT (hypothetical learning trajectory) using technology to develop a higher level of mathematical thinking ability.

Keywords

Mathematical communication skill, Web, Geometry

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