scholarly journals Problem Solving Geometry of Visualization, Analysis, and Informal deduction subject based on SOLO Taxonomy

2018 ◽  
Vol 7 (2) ◽  
Author(s):  
Asep Rosadi ◽  
Siti M. Amin ◽  
Raden Sulaiman

Problem solving is a way which will be conducted someone by employing acquired skills, knowledge, and understanding in order to solve certain problem. Problem solving stages which attained in this research is according to Polya which encompasses comprehending problem, arranging plan completion, and rechecking the result. Mathematics concept understanding is required in order to solve the problem. SOLO Taxonomy classifies the subject’s ability of solving problem into five different level, prestructural, unistructural, multistructural, relational, and extended abstract. The aim of this research is to describe geometry problem solving of visualization, analysis and informal deduction according to SOLO Taxonomy. Additionally, qualitative descriptive method is used to analyze the data. Subjects of this research are subjects who possess high mathematics thinking ability of visualization geometry, analysis and informal deduction. Besides, the type of data collection technique uses problem solving geometry test and interview. According to the result of research, subjects who possess in visualization geometry thinking level to solve the problem tend to use the aspect of unistructural level of SOLO Taxonomy. Then, subjects with analysis geometry thinking level to solve the problem mostly use multistructurallevel of SOLO Taxonomy. Lastly, subjects who own informal deduction geometry thinking level to solve the problem apparently use relational level of SOLO Taxonomy.

2021 ◽  
Vol 1 (2) ◽  
pp. 137
Author(s):  
Amaliyatul Indah ◽  
Erfan Yudianto ◽  
Titik Sugiarti ◽  
Tri Murniawati

In learning mathematics, innovation is still needed to make mathematics more easily understood by students, especially in the field of geometry. This becomes interesting when examined and is associated with van Hiele's level of geometrical thinking which is modified by Polya's problem solving steps. This study aims to determine the thought process of vocational students majoring in Modeling Design Engineering and Building Information in solving three dimensional problems. This type of research is a qualitative descriptive study. The research subjects are students of pre-visualization, visualization, analysis, and informal deduction level. The research subjects worked on the three dimensional problem test and were interviewed. The results obtained are pre-visualization level students fulfilling several indicators at the visualization level, students at the visualization and analysis level meet all indicators at their respective levels, while informal deduction level students are unable to meet one indicator when implementing a plan that is having another way of solving problems. This can be seen from the results of problem solving given and interviews conducted on research subjects. Kata kunci: Berpikir, Pemecahan Masalah, Dimensi Tiga, Van Hiele


2020 ◽  
Vol 8 (2) ◽  
pp. 173
Author(s):  
Yeny Kurmayningsih ◽  
Didik Hermanto ◽  
Mety Liesdiani

<p>This research is a qualitative descriptive study conducted in class XI. The research subjects consisted of one masculine male student and one feminine female student. The research instrument used a Gender Test, Interview Guidelines and Problem Solving Tasks (TPM). The data collection technique used in this research was the problem solving task-based interview technique. The technique of testing the validity of the data used time triangulation. The data analysis technique used was reduction, presentation, and conclusion. Based on the data analysis that has been done, the following conclusions are obtained. The profile of understanding the concept of masculine male students in solving linear programming problems includes: writing what is known and what is asked which is emphasized by the presence of a question mark "?", Taking x and y without being interpreted on a graph using the two equations to find the points ( x, y), finds the arithmetic error from substituting the points (x, y) that have been determined by yourself to the objective function, and reread the results of the work without recalculation. The profile of understanding the concept of feminine female students in solving linear program problems includes: writing down what is known and what is asked by considering x and y, forming equations using the x and y assumptions and interpreting it into a graph, substituting the points (x, y) has assigned itself to the objective function so that the results of problem solving are obtained, and re-read the results of their work by recalculating.</p>


2018 ◽  
Vol 1 (1) ◽  
pp. 42
Author(s):  
Trimahesti Trimahesti ◽  
Kriswandani Kriswandani ◽  
Novisita Ratu

Abstrak: Penelitian ini adalah penelitian deskriptif kualitatif, yang bertujuan untuk mengetahui kemampuan pemecahan masalah matematika dalam mengerjakan soal olimpiade SMP bagi siswa kelas IX SMP N 8 Salatiga. Subjek penelitian terdiri dari 4 siswa yang dipilih dengan teknik purposive sampling. Berdasarkan hasil tes dan wawancara diketahui semua subjek tidak memenuhi kelima tahap Krulik & Rudnick pada soal nomor 1. Pada langkah awal tahap membaca dan berfikir (read and think) subjek  telah melakukan kesalahan dalam memahami soal/masalah. Sedangkan untuk soal nomor 2 hanya 1 subjek yang tidak mampu melewati tahap kelima pada tahap teori Krulik dan Rudnick yaitu refleksi dan pengembangan (reflect and extend). Abstract:  This is a qualitative descriptive research. The purpose of this research is to know the ability of mathematics problem solving in doing Junior High Olympics for students of grade IX SMP N 8 Salatiga. The research subjects consist of 4 students selected by purposive sampling technique. Based on the results of tests and interviews are known that all subjects did not meet the five stages of Krulik & Rudnick in question number 1. In the first step of reading and thinking phase, the subject has made a mistake in understanding the problem. Meanwhile, in question number 2 only 1 subject who is not able to pass the fifth stage at the stage of Krulik and Rudnick theory, that is reflect and extend.


MATHEdunesa ◽  
2021 ◽  
Vol 9 (3) ◽  
pp. 529-539
Author(s):  
Heni Baskorowati

Abstrak Penelitian ini didasari atas banyaknya kesulitan yang dihadapi siswa dalam mengerjakan soal cerita matematika menyebabkan terjadinya kesalahan. Kesalahan siswa harus segera dipecahkan agar tidak terulang dan mempengaruhi hasil belajar. Pemecahan ini dapat dilakukan dengan cara mengetahui dimana letak kesalahan yang terjadi, jenis kesalahan yang dilakukan dan faktor penyebabnya. Penelitian ini menggunakan metode deskriptif-kualitatif. Penelitian ini bertujuan untuk menganalisis letak dan jenis kesalahan serta faktor yang menyebabkan kesalahan yang dilakukan siswa menggunakan tahapan pemecahan pemecahan masalah Polya. Teknik pengambilan data menggunakan metode tes tulis dan wawancara. Tes tulis yang diberikan berupa soal cerita matematika pada materi sistem persamaan linear tiga variabel. Subjek penelitian yaitu 3 siswa dipilih dari 36 siswa XI IPA4 SMA Negeri 1 Cerme. Subjek penelitian dipilih berdasarkan banyaknya kesalahan yang dilakukan pada saat tes tulis, kemudian diwawancarai. Hasil penelitian mengindikasikan bahwa dalam mengerjakan soal cerita dengan materi sistem persamaan linear tiga variabel, terjadi kesalahan pada masing-masing indikator dalam tahapan pemecahan masalah Polya, di antaranya (1) kesalahan dalam pemahaman soal, (2) kesalahan dalam perencanaan penyelesaian, (3) kesalahan dalam pelaksanaan rencana penyelesaian, dan (4) kesalahan dalam pemeriksaan kembali. Siswa melakukan kesalahan dalam bentuk kesalahan konsep, kesalahan prinsip, dan kesalahan operasi. Faktor penyebab kesalahan siswa yaitu tidak memahami makna soal, lemahnya pemahaman konsep, tidak fokus dalam pengerjaan, lingkungan dan cara belajar siswa. Dari letak, jenis dan faktor penyebab kesalahan yang diperoleh pada penelitian ini dapat digunakan oleh pendidik sebagai pertimbangan dalam merencanakan pembelajaran agar kesalahan serupa tidak terulang. Kata kunci: analisis, kesalahan, pemecahan masalah Polya, soal cerita, spltv. Abstract This research is motivated by the number of difficulties students faced while solving mathematics story problem which causes errors. Student’s error needs to be solved immediately to not affecting the learning result. To solve them, we needs to identified location of the errors occur, types of mistakes are made, and what are the causes. This research use a qualitative-descriptive approach. This research aims to analyze the location, type of errors, and the causes using Polya’s problem-solving steps. To collect data, this research using written test and interview methods. The written test is in the form of mathematics story problem involving the linear equation of three variables. The research subjects were 3 of 36 students from class 11th Science 4 State Highschool of Cerme. Research subject is chosen based on the number of errors made during the written test then interviewed. The result of this research shows that in order to solve problems, errors occurs on each Polya’s problem-solving steps indicators, such as (1) errors in understanding the problem, (2) errors in devising a plan, (3) errors in carrying out the plan, and (4) errors in looking back. The type of errors made by students were concept error, principle error, and operation error. The factors are not understand the problem, low concept, not focus, cognitive factors, and their learning environment. The result of this research can be used for teachers to make their teaching plan to avoid the same error occurs. Keywords: analysis, errors, story problems, Polya’s problem-solving, spltv.


Author(s):  
Arini Rosa Sinensis ◽  
Harry Firman ◽  
Ida Hamidah ◽  
Muslim Muslim

<p class="AbstractEnglish"><strong>Abstract:</strong>. This study aims to develop student worksheets (LKM) based on collaborative problem solving, LKM developed with the help of interactive simulations. The research method used is design and development research (DDR). The data collection technique uses a questionnaire to assess the readability and component of collaborative problem solving in the LKM developed. The research subjects were 9 7th semester students who had taken the thermodynamics course. The results showed that the readability component reached 85.7% with very good categories while the collaborative problem solving component reached 80% with good categories. Therefore, the  LKM used can be used as a media to facilitate and direct students to improve problem solving skills.</p><p class="KeywordsEngish"><strong>Abstrak: </strong>Penelitian ini bertujuan untuk mengembangkan Lembar kerja mahasiswa (LKM) berbasis pemecahan masalah kolaboratif, LKM yang dikembangkan berbantuan simulasi interaktif. Metode penelitian yang digunakan adalah <em>design and development research</em> (DDR). Teknik pengumpulan data menggunakan angket untuk menilai keterbacaan dan komponen pemecahan masalah kolaboratif pada LKM yang dikembangkan. Subjek penelitian adalah 9 mahasiswa semester 7 yang telah menempuh matak uliah termodinamika. Hasil penelitian menunjukkan bahwa komponene keterbacaan mencapai 85,7 % dengan katergori sangat baik sedangkan komponen pemecahan masalah kolaboratif mencapai 80% dengan kategori baik. Oleh karena itu, LKM yang digunakan dapat digunakan sebagai media untuk memfasilitasi dan mengarahkan mahasiswa untuk meningkatkan kemampuan pemecahan masalah.</p>


2021 ◽  
Vol 5 (1) ◽  
pp. 21-29
Author(s):  
Mutmainah - Mutmainah

This study aims to reveal students' mathematical creative thinking skills which include indicators of fluency, flexibility, and originality by describing students' answers in solving cube and block problems. This research was conducted on the superior grade VIII students of MTsN 1 Makassar, totaling 39 students. The research subjects were taken as many as 6 people using the criteria for high, medium, and low group levels, every 2 students at each level. The instrument used is a creative thinking ability test, which consists of 4 items of description with qualitative descriptive analysis. The results showed that the students' mathematical creative thinking skills including the three indicators were very good based on the percentage value of each indicator being above 50%. In the fluency indicator, the percentage value is 100% for item number 1 and 95.83% for question number 2, the percentage value of the flexibility indicator for item number 2 and 4 is 95.83% and 91.67%, respectively, and the percentage value of the novelty indicator is questions number 2 and 4 are 75% and 70.83%, respectively. From the three indicators above, the percentage value of students' creative thinking ability is low when compared to the other two indicators, this shows that students are less able to produce unusual answers/ideas and the suitability of the answers given is very irrelevant to the problem.


2020 ◽  
Vol 2 (3) ◽  
pp. 175-185
Author(s):  
Evita Sangkut ◽  
Puspa Djuwita ◽  
Dalifa Dalifa

This study aims to describe "The cultivation of values of Concern on Environmental Hygiene in Students Class III A At the Elementary School of Nature Mahira Bengkulu City". This type of research is using qualitative and qualitative descriptive research method. Research subjects were principal, grade III A teacher, janitor, canteen mother, and third grade student A. Data collection technique used was observation, interview, and documentation. The analysis technique is carried out during field analysis and post-field analysis by examining all data collected in narrative. The data that have been obtained is analyzed by data reduction, data presentation, and conclusion. The data credibility test is done through increasing persistence and triangulation of sources and techniques. The results obtained are: a) The strategy of cultivating the values of caring is done by habituation, exemplary and menjarkan about cleanliness; b) Program activities are: clean culture, clean saturation program, class cleanliness, school environment cleanliness, and waste management; c) Facilities and infrastructure; d) School community support: principals, janitors, and canteen mothers.


Author(s):  
Ahmad Fadhlilah ◽  
Rochmiyati Rochmiyati ◽  
Lilik Sabdaningtyas

The aim of this study was to analyze the need for developing appropriate science, technology, engineering, arts and mathematics (STEAM) assessment instruments (vaild, practical and effective) to improve students’ creative thinking skills. The instruments that have been used in education units have not been fully able to encourage students to think at a higher level in building conceptual understanding and solving their own problems. This study used qualitative descriptive study based on a literature review of the STEAM-based assessment instrument as an effort to improve students’ creative thinking skills. The research subjects were educators and fourth grade students of SD Negeri 2 Tulusrejo, Pekalongan District, East Lampung. The research object was creative thinking ability, assessment instrument, and STEAM. The data collection instrument used an interview guide. Questionnaire. An assessment instrument needed to support the learning process in the education unit to improve students’ creative thinking skills. The finding indicated that educators had not fully used assessment instruments that could improve students’ creative thinking skills. Besides, educators needed a STEAM-based assessment instrument that was appropriate to the level of the learner. Thus, it can be concluded that STEAM-based instruments to improve students' creative thinking skills in elementary schools must be developed.


2018 ◽  
Vol 1 (2) ◽  
pp. 207
Author(s):  
Dewi Andriani ◽  
Adi Nurjaman

Critical thinking ability is a process to leads to withdrawal conclusion about what do you believed and action will do. The importance of critical thinking ability on education and that is the main purpose of instructional, there are four importance component  for build that ability that is (a) explain and clarify; (b) asking the correct question to clarify or challenge; (c) consider the source of credibility; (d) problem solving and illustrates the conclusion. Method of the research will use is qualitative descriptive. As for the sample in this research is ninth of grade students on Cimahi city from high ability, medium and low. For the instrument test of critical thinking ability will deliver to students are five questions and following with interview for each student. Then, the results obtained was the level of critical thinking ability mathematics students in Cimahi city. Based on the writing test and the results of the interview with the low-level students.


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