S. B. Waluya, S. B.
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Analysis of Problem Solving on IDEAL Problem Solving Learning Based on Van Hiele Theory Assisted by Geogebra on Geometry Abduh, M. Faisal; Waluya, S. B.; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 9 No 2 (2020): December 2020
Publisher : Universitas Negeri Semarang

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Abstract

The objectives of this study are to analyze the effectiveness of the learning of IDEAL Problem Solving models based on Van Hiele theory assisted by Geogebra software and to describe students’ problem solving ability at each level of geometrical thinking. This research was a type of qualitative and quantitative combination research. The combination model of this study was the type of concurrent triangulation, the combination of qualitative and quantitative methods in a balanced way. Quantitative research sampling technique was simple random sampling in which this study was taken in one experimental class and one control class. The technique of selecting qualitative research subjects was non-probability sampling, where the taking of subjects was based on the level of geometrical thinking. The conclusions are obtained (1) IDEAL Problem solving models Learning based on van Hiele theory assisted by Geogebra software is effective on students' problem solving ability. (2) The problem solving ability of each level of Van Hiele's geometry thinking is that students at level 1 (analysis), they can understand the problem but cannot plan their solution well. Level 2 students (informal deduction), they can understand problems, plan, implement plans well, but they cannot check results. Level 3 (deduction), the students can understand problems, plan, implement plans, and check results well.
Analysis of Creative Thinking Ability Based on Self-Regulation in Model Eliciting Activity Learning with Performance Assessment Susanti, Ely Susanti; Waluya, S. B.; Masrukan, Masrukan
Unnes Journal of Mathematics Education Research Vol 9 No 2 (2020): December 2020
Publisher : Universitas Negeri Semarang

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Abstract

This research aims to describe creative thinking ability seen from self-regulation of the students on Model Eliciting Activities learning (MEAs) with performance assessment. This research was a sequential explanatory. The population was VII grade students of SMP Ibu Kartini Semarang, consisting of four classes. The technique of sampling was purposive sampling. It was selected VII C as experimental group. The subjects were grouped based on self-regulation with high, moderate, and low categories to be interviewed dealing with mathematical creative thinking. The instruments were test and interview. The findings showed that MEAs with performance assessment was qualified well and description of creative mathematics thinking based on self-regulation of the students varied.
Mathematics Communication Skill of Students on Project Blended Learning (PB2L) with Moodle Marliani, Lia Marliani Lia; Waluya, S. B.; Cahyono, E.
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

This research aims to analyse effectiveness of Project Based Blended Learning (PB2L) to mathematics communication skill of students and to describe the skill on PB2L learning with moodle. This mixed method research with sequential explanatory design took XMIPA of SMA N Garawangi, Kuningan, in academic year 2018/2019 as the population. The subjects consisted of 33 XMIPA4 students. The techniques of collecting data were test, observation, documentation, and interview. Based on the findings, the mathematics communication skill on PB2L with moodle was effective. Students with poor mathematics communication skill consisted of 2 persons, the moderate students consisted of 24 persons, while the high category students consisted of 7 persons.
Mathematics Problem Solving Skill in ARIAS Learning with Scaffolding Strategy Viewed from Adversity Quotient based on Gender Wicaksono, Dhanang Bayu; Waluya, S. B.; Sri Noor Asih, Tri
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

This research aims to describe mathematics problem solving skill seen from adversity quotient based on gender of VIII graders. This mixed – method used sequential explanatory design. The population was taken from VIII graders of 11 Semarang, consisting of seven classes. The techniques of collecting data was purposive sampling. The findings showed that adversity quotient of the students were varied. They were shown from 10 high adversity quotient students consisting of 6 high mathematics problem solving skilled students and 4 moderate skilled students. From 17 students with moderate adversity quotient, 6 of them had high mathematics problem solving skills, 9 moderate skilled students, and 2 poor skilled students. From 5 students with poor adversity quotient, one of them had high mathematics problem solving skill, 2 moderate skill, and 2 poor skill students. Female students had higher mathematics problem solving skill than the male students. Female students also could re-check again their answers with different ways while male students could re-check with the same ways on high problem solving skill category.
Mathematics Communication Skill Viewed from Self-Confidence in Auditory Intellectually Repetition (AIR) Learning Model with RME Approach Yunitiara Rizqi, Hesti; Waluya, S. B.; Wiyanto, Wiyanto
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

This research aims to describe mathematics communication skill viewed from self-confidence of the students in AIR learning model with RME approach. This mixed method research used sequential explanatory. The population was taken from VII graders of 1 Pamotan, consisting of seven classes. The subjects were grouped based on self-confidence consisting of high, moderate, and low categories by using purposive sampling. Each subject was interviewed about mathematics communication skill. The findings showed that mathematics communication skill description viewed from self-confidence of the students was varied. It was shown from 11 students with high self-confidence obtained mathematics communication skill into 8 high and 3 moderate category students. From 14 students with moderate self- confidence, there were 4 students with high category, 8 students with moderate category, and 2 students with low category. From seven students with low self-confidence, there were 2 students with moderate and 5 students with low categories.