Abstract:The research reported in this study examined the quality of argumentation of South African Grade 11 learners through the lens of Toulmin’s argument pattern (TAP). Very little research has quantified the argumentation of learners in mathematics across the school grades. The focus was on measuring the mathematical knowledge and quality of arguments formulated by learners as they engage in a reasoning task set in a Euclidean geometry investigative context. Mathematics education reform efforts have highlighted the… Show more
“…Apart from all that, many students are good at constructing arguments. The results differ from research by Shongwe (2022) which states that students are still categorized as low in constructing arguments because, in the arrangement of students' arguments, there are no rebuttals. Likewise, in research conducted by Andrea (2010), several groups of students and teachers used Toulmin argumentation stages where the results showed that Toulmin argumentation components in the form of claims, data, warrant, and backing could be demonstrated by students, but few could demonstrate rebuttal and qualifier (Soewardini et al, 2020).…”
Section: Discussioncontrasting
confidence: 99%
“…Supporting this incident, research conducted by Basri et al (2019) also states that some students often do not understand the concept well and have difficulty understanding the entire information about the question, thus preventing students from carrying out proofs. This shows the inability of students to provide arguments and difficulty reaching higher levels of thinking (Shongwe, 2022).…”
Geometric argumentation has an important role in solving mathematical problems in geometric material, so students must have this ability. Each student has different thoughts, including when stating arguments. Each student's arguments will vary and be at different levels. This study aims to determine the levels of lower secondary school students' geometric argumentation. This research was conducted in a lower secondary school involving 20 ninth-grade students. Students participating in this study were asked to work on geometry problems related to proof. Through the proofs carried out, the argumentation structure owned by students is visible. The structures of argumentation given by the students were then analysed using Toulmin's model of argumentation. The components of the Toulmin model used consist of claim, data, warrant, and backing. The results of the analysis of the proof prepared by the students stated that some of the students have been able to reach a high level of geometric argumentation and can compile a series of proofs. But not a few of them also have difficulty compiling the proof, have difficulty providing the components of the Toulmin model, and make some mistakes. Errors made by students include symbol writing errors, calculation errors, and others.
“…Apart from all that, many students are good at constructing arguments. The results differ from research by Shongwe (2022) which states that students are still categorized as low in constructing arguments because, in the arrangement of students' arguments, there are no rebuttals. Likewise, in research conducted by Andrea (2010), several groups of students and teachers used Toulmin argumentation stages where the results showed that Toulmin argumentation components in the form of claims, data, warrant, and backing could be demonstrated by students, but few could demonstrate rebuttal and qualifier (Soewardini et al, 2020).…”
Section: Discussioncontrasting
confidence: 99%
“…Supporting this incident, research conducted by Basri et al (2019) also states that some students often do not understand the concept well and have difficulty understanding the entire information about the question, thus preventing students from carrying out proofs. This shows the inability of students to provide arguments and difficulty reaching higher levels of thinking (Shongwe, 2022).…”
Geometric argumentation has an important role in solving mathematical problems in geometric material, so students must have this ability. Each student has different thoughts, including when stating arguments. Each student's arguments will vary and be at different levels. This study aims to determine the levels of lower secondary school students' geometric argumentation. This research was conducted in a lower secondary school involving 20 ninth-grade students. Students participating in this study were asked to work on geometry problems related to proof. Through the proofs carried out, the argumentation structure owned by students is visible. The structures of argumentation given by the students were then analysed using Toulmin's model of argumentation. The components of the Toulmin model used consist of claim, data, warrant, and backing. The results of the analysis of the proof prepared by the students stated that some of the students have been able to reach a high level of geometric argumentation and can compile a series of proofs. But not a few of them also have difficulty compiling the proof, have difficulty providing the components of the Toulmin model, and make some mistakes. Errors made by students include symbol writing errors, calculation errors, and others.
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