Nurhayati Abbas, Perry Zakaria
Geometry concept learning for grade VIII of secondary high school is possible to be taught using props, as these props are able to assist students in discovering the concepts and formulas that would be used to solve mathematics problems for better concept mastery. This learning is in accordance with the Indonesian 2013 curriculum where one of the geometry concepts is a circle. Therefore, this study is aimed at examining the mastery of circle concept in students who were taught using the props compared to the students who were taught using the conventional teaching. This study is quasi-experiment implemented in two classes. The first class were taught by using the props and the other class were taught by using conventional teaching in circle topic. The instruments in this study consisted of the circle concept mastery, teacher's ability to manage the learning, and students' activity during the learning session. The data were analyzed using Covariance inferential analysis and descriptive analysis. This study reveals that circle concept mastery of the students who were taught using props was higher than those taught using conventional learning. Teacher's ability to manage to learn with props was within the very good category, and the students' activity during the learning session was within the very active category. This study recommends that learning using props is one of the learning alternatives that can be adopted by the teacher to teach and increase students' mastery in circle topic specifically and in general increase students' mastery of the concept of geometry. © Published under licence by IOP Publishing Ltd.
Department of Mathematics, Universitas Negeri Gorontalo, Gorontalo, 96128, Indonesia
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