scholarly journals Analisis Kesalahan dalam Mengerjakan Soal Geometri

2019 ◽  
Vol 7 (1) ◽  
pp. 37
Author(s):  
Desi Noor Utami ◽  
B Kusmanto ◽  
Sri Adi Widodo

<p>Tujuan dari penelitian ini (1) untuk mengetahui persentase kesalahan konseptual yang dilakukan oleh siswa dalam menyelesaikan pertanyaan matematika pada subjek segiempat (2) untuk mengetahui persentase kesalahan prosedural yang dibuat oleh siswa dalam menyelesaikan masalah matematika pada subjek segiempat (3) untuk mengetahui persentase kesalahan perhitungan yang dilakukan oleh siswa dalam menyelesaikan masalah matematika pada subjek segiempat (4) untuk mengetahui sebagian besar jenis kesalahan yang dilakukan oleh siswa dalam memecahkan masalah matematika pada subjek segiempat. Hasil penelitian ini menunjukkan bahwa siswa kelas VII SMP N 9 Yogyakarta membuat kesalahan konseptual 68,98% termasuk kategori rendah, membuat kesalahan prosedur 85,16% termasuk kategori sangat tinggi, dan membuat kesalahan perhitungan 89,84% termasuk kategori sangat tinggi. Sedangkan jenis kesalahan yang paling banyak dilakukan oleh siswa kelas tujuh SMP N 9 Yogyakarta dalam menyelesaikan soal matematika, subjek segiempat adalah kesalahan perhitungan, yaitu sebesar 89,84%. dengan penyebab faktor kesalahan siswa yaitu (1) siswa tidak menuliskan yang diketahui, ditanyakan, dan rumus (2) siswa kurang mampu memahami materi pelajaran yang diajarkan (3) siswa bergegas untuk mengerjakan soal.</p><p> </p><p>The aim of this study (1) to find out the percentage of conceptual errors made by students in solving mathematical questions on the subject of quadrilateral (2) to find out the percentage of procedural errors made by students in solving mathematical problems on the subject of quadrilateral (3) to find out the percentage of calculation errors made by students in solving mathematical problems on the subject of quadrilateral (4) to find out the most types of mistakes made by students in solving mathematical problems on the subject of quadrilateral. The results of this study indicate that VII grade students of SMP N 9 Yogyakarta made a conceptual error of 68.98% including the low category, making a procedure error of 85.16% including the very high category, and made a calculation error of 89.84% including the very high category. While the most types of errors made by the seventh grade students of SMP N 9 Yogyakarta in solving mathematical questions the subject of quadrilateral is a calculation error, which is equal to 89.84%. with the cause of the student error factor viz (1) students do not write down known, asked, and formulas (2) students are less able to understand the subject matter being taught (3) tudents rush to work on the problems.</p>

2019 ◽  
Vol 2 (2) ◽  
pp. 152
Author(s):  
Sri Dewi ◽  
Akhmad Faisal Hidayat

Students' mathematical communication skills are still unsatisfactory, the average student error shows an error in expressing daily events in the language of mathematics. This is due to a lack of student understanding of the material that has been taught, and the level of students' creativity in recording important concepts contained in the content of the subject matter is still not satisfactory, student records tend to be still boring. The purpose of this study are: (1) to describe the implementation of mind mapping in the scientific approach to improve students' mathematical communication skills, and (2) describe the results of the assessment of mathematical communication skills that occur in students after learning is done with mind mapping in the scientific approach. The type of research that the author is doing is included in classroom action research (CAR). The author uses interview, observation, test and documentation methods. As for the analysis, the author uses descriptive qualitative analysis techniques, namely in the form of qualitative data and quantitative data that the author obtained during direct observation in the field. The research findings show that the application of mind mapping in the scientific approach can improve mathematical communication skills in students of Jambi City Vocational High School 9. (1) The process of implementing mind mapping with a scientific approach to improve students' mathematical communication skills can run smoothly as planned. The application of mind mapping has provided new experiences for students and teachers and provides several benefits, the benefits of mind mapping obtained include: students become the spirit of learning, students easily remember lessons and students gain drawing experience to find the relationship between one concept and another concept and the teacher easier to explain the subject matter to students; (2) on the assessment of students 'mathematical communication skills, from quantitative data the acquisition of scores on students' mathematical communication obtained a high enough value, namely in the first cycle the average value obtained was 75.87 or around 77.2%, in the second cycle there was an increase namely 80.1 or around 87.1%.Keywords: Mind Mapping, scientific approach, and mathematical communication skills


2019 ◽  
Vol 6 (3) ◽  
pp. 255
Author(s):  
Mega Madila Rismawati

This research aims to find out the type of student error in solving the problem of mathematics material in solving the problem of circle story and wide circle in class VIII SMP Negeri 1 Wlingi Blitar.Dalam this research type of research used is descriptive qualitative research. The subject of this study is the class VIII C MPN 1 Wlingi which amounted to 10 students who took the test.Teknik data collection in this study using written tests, interviews and documentation.Keabsahan data is done with reference materials and conduct checks members.Teknik data analysis is done with data reduction stages, data presentation, and verification or drawing conclusions. Students are grouped into three categories namely high-ability students, medium-skilled students and low-ability students. Each category is represented by one student. The results of this study are (1) The type of mistake made by a highly capable subject in solving soa l circle story and broad circle is a mistake of fact, error of concept and mistake of principle. (2) Types of moderate-ability students' mistakes are factual errors, concept errors and procedural errors. (3) Types of low-skill students' errors are fact errors, concept errors, procedural errors and principle errors


Author(s):  
Ni Nyoman Sri Putu Verawati ◽  
Gusti Afifah

This study aims to determine the effect of using the conflict cognitive strategies on students' cognitive learning achievements. This research is an experimental study using one group pretest-posttest design. The research sample was 35 students of class X MIPA 7 at SMAN 2 Mataram. The conflict cognitive strategies are conditioned in research on the subject matter of Regular Straight Motion and Regular Changed Straight Motion. Measurement of cognitive learning outcomes using test instruments and given to students as pretest and posttest. The test instrument was previously validated by 2 (two) validators on the content and construct aspects. The validation results show that the test instrument has been declared valid on the content and construct aspects with a validity (Va) level of 4.12 and 4.00. The results showed that students' cognitive learning achievements improved after learning using the conflict cognitive strategies (mean of 3.49) significant (p <0.05). These results are also supported by the results of n-gain analysis of cognitive learning achievements of students after learning with a value of 0.74 with a high category so that it is declared effective to improve students' cognitive learning achievements.


2017 ◽  
pp. 66
Author(s):  
Syahruddin Syahruddin

The purpose of this study was to explain/describe the process of software development NHT type cooperative learning environment based on the subject matter of colloidal systems and to acquire the NHT type cooperative learning environment based on the subject matter of colloidal systems valid, practical and effective. Development of the learning device colloid chemistry system at SMK Negeri 6 Takalar based on the key steps in the development of 4-D model study were divided into four stages, namely: pendefenisian (define), the design (design), development (develop), and dissemination (disseminate). Developed learning tools that RPP, BS, LKS and THB validated by two experts with the results of the assessment were valid category. From the analysis of the feasibility study is in the high category with an average value of 4.09 and meet practical criteria. Student activities, student responses, and the ability to manage learning teacher at the high category and the level of success in field trials showed that mastery learning TKJ XI grade students of SMK Negeri 6 Takalar is 83.33% met the criteria of effectiveness. On analyzing the response of teachers to the learning device obtained a percentage of 81.99% which means the positive response of teachers are at very high category. Based on the criteria used to assess learning device that generated the validity, effectiveness and practicality, then the learning device developed meets the criteria for a valid, practical, and effective.


2021 ◽  
Vol 1 (3) ◽  
pp. 481-489
Author(s):  
Guntoro Edy Prayogi ◽  
Sripatmi Sripatmi ◽  
Muhammad Turmuzi ◽  
Hapipi Hapipi

This study aims to describe the mistakes made by the VIIA grade students of SMP Negeri 19 Mataram in solving story questions about the set material in terms of learning achievement. With the research subject, namely 6 students of class VIIA which has been selected based on learning achievement. This research is a descriptive qualitative type with research instruments in the form of written test sheets and interview guidelines. The data analysis technique was carried out by the students completed the questions using the Polya analysis or not, if using the Polya analysis, the stages were correct or not, if using the Polya analysis with the correct steps, the students' answers would be analyzed using the Polya analysis. The results of the study were at the stage of understanding the problem, the subject made mistakes 16.66% with a small category, at the stage of choosing the right problem-solving strategy made an error  20% with a small category, at the stage of solving the problem subject made a mistake 51.66% with the high category and at the stage of re-checking subjects made mistakes 64,58% with the very high category.


2020 ◽  
Vol 4 (2) ◽  
pp. 10
Author(s):  
Wiwiana Wiwiana ◽  
Hasri Hasri ◽  
Halimah Husain

Many students are misconception, so the researchers do research with the aims to analyze the level of understanding of the participants’ concept students and the factors causing students’ misconceptions on the subject matter stoichiometry. Data collection uses open-ended diagnostic tests with a scale CRI with 18 numbers and interviews. The results showed the percentage of understanding concepts of 21% with a low percentage category, understand the concept but not sure at 7%, with the low category, the percentage of misconceptions of 12% with low categories and percentage do not understand the concept of 61% with a high category. Factors that cause misconception include a) students; c) how to teach.


Author(s):  
Arif Dwihantoro

The research aimed to increase students' cooperation skills and to describe mathematics learning quality through cooperative learning models, types Students Team Achievement Division (STAD). This research is a classroom action research using model of Kemmis Taggart. The subject is 11 grades students of Mathematics and Natural Science 3 in 1 Wates Senior High School. The findings indicated that the learning model, style Students Team Achievement Division (STAD), could improve students' cooperation skill. The excellent implementation is shown by an improvement in the percentage of student cooperation in mathematics instruction, namely from the results of the first cycle, the average performance of cooperation is 67.8% of students in the high and very high category and an increase in the second cycle by 82.2% of students in the high and very high category. The results of observations of the implementation of mathematics learning using cooperative learning model, type Students Team Achievement Division (STAD), in cycle I revealed a percentage of 91%, which increased to 96% in cycle II.  


2019 ◽  
Vol 7 (1) ◽  
pp. 53
Author(s):  
Dwi Fajar Saputri ◽  
Eti Sukadi

Abstrak: Masih ditemukan siswa yang melakukan kesalahan dalam menyelesaikan soal pada materi usaha dan energi, sehingga guru memberikan remediasi berupa tes ulang tanpa memberikan pengajaran disebabkan keterbatasan jam pelajaran. Penelitian ini bertujuan untuk menganalisis efektivitas penggunaan Lembar Kegiatan Siswa (LKS) berbasis analisis kesalahan siswa dalam menyelesaikan soal dengan cara pemberian LKS. LKS yang dibuat berdasarkan analisis kesalahan yang dilakukan siswa,. Metode yang digunakan dalam penelitian ini ialah metode eksperimen dengan rancangan One Group Pretest Postest. Teknik pengambilan sampel dengan cara purposive sampling. Sampel penelitian ini ialah kelas VIII A dan VIII B. Variabel bebas dalam penelitian ini adalah remediasi menggunakan LKS berbasis analisis kesalahan siswa, sedangkan variabel terikatnya adalah proporsi penurunan profil kesalahan siswa dalam menyelesaikan soal pada materi usaha dan energi. Instrumen penelitian yang digunakan berupa tes diagnostik dalam bentuk essay. Efektivitas penggunaan LKS dianalisis menggunakan effect size. Hasil analisis data menunjukkan bahwa penggunaaan LKS berbasis analisis kesalahan siswa terhadap kesalahan siswa dalam menyelesaikan soal pada materi usaha dan energi tergolong tinggi, dengan nilai proporsi penurunan kesalahannya sebesar 0,77. Hal ini menunjukkan LKS berbasis analisis kesalahan siswa efektif meremediasi kesalahan siswa dalam menyelesaikan soal materi usaha dan energi. Abstract: There are still students who make mistakes in solving problems in question the subject matter work and energy, so the teacher provides remediation in the form of retesting without giving teaching due to limited hours of study. This study aims to analyze the effectiveness of using student worksheet based on analysis of student errors in solving problems by giving student worksheet. Student worksheet is made based on the analysis of mistakes made by the student worksheet. The method used in this study is the experimental method with the design of the One Group Pretest-Posttest. The sampling technique is purposive sampling. The sample of this study is class VIII A and VIII B. The independent variable in this study is remediation using student worksheet based on analysis of student errors, while the dependent variable is the proportion of students decreasing the profile of errors in solving problems in a question of the subject matter work and energy. The research instrument used was a diagnostic test in the form of an essay. The effectiveness of using student worksheet is analyzed using effect size. The results of data analysis show that the use of student worksheet based on analysis of student errors on students' errors in the question of the subject matter work and energy is high, with a proportion of the decrease in errors of 0.77. This shows that student worksheets based on student error analysis effectively remediate students' mistakes in solving the question of the subject matter work and energy.


2017 ◽  
Vol 5 (2) ◽  
Author(s):  
Rahmayani Rahmayani ◽  
Masdiana Sinambela ◽  
Rosida Rosida

The objective of this research is to know the student’s learning difficulties in the material of SystemHuman's Excretion from indicator aspects and factors students learning difficulties on the System Human'sExcretion class XI MIA in SMA Negeri 16 Medan year learning 2016/2017. The research design used is descriptivequantitative. Samples was taken by Purposive Sampling which amounts 80 students. Data colletion techniquesused were test and questionnaire. The results of research showed that students were categorized as incomplete.Presentation of student learning difficulties on aspects of learning indicators that are indicators-1 of 52.81% in thecategory of very high difficulty, in indicator-2 of 55.41% in the very high difficulty category, in indicator -3 of 64% inthe category of very high difficulty, in indicator-4 of 52.25% in the category of very high difficulty, in indicator-5 of40.625% in high difficulty category, on indicator-6 of 50.41% is in the category of very high difficulty. The factorsthat cause student learning difficulties in studying the subject matter of human excretion system are health,student attention, interest, motivation, learning standard, subject matter, parent and school atmosphere,intelligence, teacher teaching method and media.Keywords: factor learning difficulties, learning Indicators, learning difficulties


2019 ◽  
Vol 7 (1) ◽  
pp. 64-76
Author(s):  
JUNI AGUS SIMAREMARE

Abstract This study aims to find out how "The Relationship of Effective Sentence Mastery Ability to the Ability to Analyze Official Letter of Subject by Students in the Indonesian Language and Literature Education Study Program Semester V T.A. 2018/2019 ". The method used in this study is a descriptive correlational method, which is a method or research technique that reveals clear facts about the symptoms and relationships that exist in an object of research. Data collection tools used are objective and subjective tests. Hypothesis testing is done by using the Product Moment correlation formula. From the results of correlation analysis between the ability to master effective sentences (X) by analyzing letters with a letter (Y), the coefficient price is 0.531 and after consultation with the r table at a significant level of 95% (0.361) and at a significant level 99% (0.463). Thus rh> rt (0.588> 0.361) and (0.588> 0.463), so the hypothesis states that there is a significant relationship between the ability to master effective sentences with the ability to analyze letters with a proven subject matter and work hypotheses accepted. This can be proven from the average ability of effective sentence mastery, namely 13 people (44%) are in the medium category and 17 people (56%) are in the high category while the ability to analyze the subject matter is high with 14 people (46%) are in the medium category and 16 people (54%) are in the high category. Based on the results of the correlation test it was found that the relationship between the ability to use conjunctions has sufficient correlation (by 0.588). So, there is a significant relationship between the ability to master effective sentences with the ability to analyze the subject matter by students of the Indonesian Language and Literature Education Study Program 2018/2019. Keywords: Relationship, Ability, Effective Sentences, Official Letter of Subject Abstrak Penelitian ini bertujuan untuk mengetahui bagaimana �Hubungan Kemampuan Penguasaan Kalimat Efektif terhadap Kemampuan Menganalisis Surat Resmi Berperihal oleh Mahasiswa Program Studi Pendidikan Bahasa dan Sastra Indonesia Semester V T.A. 2018/2019�. Metode yang digunakan dalam penelitian ini adalah metode deskriptif korelasional, yaitu cara atau teknik penelitian yang mengungkapkan fakta yang jelas tentang gejala-gejala serta hubungan yang ada pada suatu objek penelitian. Alat pengumpulan data yang digunakan adalah tes objektif dan subjektif. Pengujian Hipotesis dilakukan dengan menggunakan rumus korelasi Product Moment Dari hasil analisis korelasi anatara kemampuan menguasai kalimat efektif (X) dengan menganalisis surat berperihal (Y) diperoleh harga koefisien 0,531 dan setelah dikonsultasikan dengan r tabel pada taraf signifikan 95% (0,361) dan pada taraf signifikan 99% (0,463). Dengan demikian rh > rt (0,588 > 0,361) dan (0,588 > 0,463), sehingga hipotesis menyatakan terdapat hubungan yang signifikan antara kemampuan menguasai kalimat efektif dengan kemampuan menganalisis surat berperihal teruji kebenaranya dan hipotesis kerja diterima. Hal ini dapat dibuktikan dari rata-rata kemampuan penguasaan kalimat efektif yaitu 13 orang (44%) berada pada kategori sedang dan 17 orang (56%) berada pada kategori tinggi sedangkan skor kemampuan menganalisis surat berperihal adalah tinggi dengan 14 orang (46%) berada pada kategori sedang dan 16 orang (54%) berada pada kategori tinggi. Berdasarkan hasil uji korelasi ditemukan bahwa hubungan kemampuan menggunkan kata penghubung memiliki korelasi yang cukup (sebesar 0,588). Jadi, ada hubungan yang signifikan antara kemampuan menguasai kalimat efektif dengan kemampuan menganalisis surat berperihal oleh Mahasiswa Prodi Pendidikan Bahasa dan Sastra Indonesia Tahun Pembelajaran 2018/2019. Kata Kunci : Hubungan, Kemampuan, Kalimat Efektif, Surat Resmi Berperihal


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