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In recent years, mathematical thinking and reasoning have been widely discussed to promote students' abilities to apply mathematical knowledge and ideas in their daily living. However, few studies have investigated the role of self-regulation in relation to reasoning. This study examined the effects of self-regulation processes on student mathematical reasoning and academic achievement. Using a quantitative research design and the PLS-SEM technique, data were collected from 248 private school students in Malaysia. The PLS-SEM results showed that behavioral regulations, including processes of self-observation, self-judgment, and self-reaction, are decisive factors in influencing student academic achievement and student mathematical reasoning ability. The dimensions of motivational regulation, including processes of self-efficacy, task value, and mastery goal orientation, are dominant factors influencing student reasoning ability, followed by cognition regulation, which includes use of elaboration strategy and critical thinking skills. The study also found that cognition regulation is a significant mediator of the relationship between motivational regulation and reasoning ability. Behavioral and cognition regulation processes, as well as students' reasoning ability, are the mediators of motivational regulation on academic achievement. The results of this study suggest that teachers should foster the adoption of self-regulation processes in mathematics learning.

This article seeks to present findings from the analysis of the TEDS-M reports on the mathematical content knowledge (MCK) and pedagogical content knowledge (PCK) of the pre-service teachers in Malaysia. The main objective of this study was to investigate the level of teaching knowledge attained by the Malaysian pre-service primary and secondary teachers. Some 576 primary level pre-service teachers and 389 secondary level pre-service teachers participated in the TEDS-M study. The significance of this study is pertinent as the level of teachers' knowledge influences students' achievement in schools. Results of analysis show that Malaysian pre-service teachers at the primary and secondary performed below the international average for both mathematics content knowledge (MCK) and mathematics pedagogical content knowledge (MPCK). The article suggested several steps on how teacher educators could improve the PCK and MCK of pre-service teachers in Malaysia.

This paper reports on the research on year five pupils' understanding of generalised arithmetic, which aimed to investigate the understanding of year five pupils' commutative property and the property of zero together with its correlation with their mathematical achievement. Data for the study were collected via paper and pencil assessment answers for two items. Findings showed moderate achievement for both of the tasks. The pupils' explanation illustrated their poor conceptual understanding of commutative property and the property of zero. However, this understanding is not correlated with their mathematical achievement in school. It shows that an outstanding student in school did not necessarily acquire conceptual understanding of commutative principle and the property of zero. [ABSTRACT FROM AUTHOR]