Jurnal Elektronik Pendidikan Matematika Tadulako

PROFIL PENYELESAIAN SOAL HOTS PADA MATERI VOLUME PRISMA OLEH SISWA KELAS VIII SMPN 2 KASIMBAR

Asyita Asyita, Muh. Hasbi, Rita Lefrida, Sukayasa Sukayasa — Fri, 07 Mar 2025 00:00:00 +0000

This research aims to obtain a description of the profile of solving HOTS questions on prism volume material by class VIII students at SMPN 2 Kasimbar based on Polya's steps. This type of research is qualitative research. The subject in this study consisted of one student with high mathematical ability (DA) who was selected from the results of a grouping based on his mathematical ability, then the subject was willing and able to communicate well and was recommended by the mathematics teacher at the school. The results of the research show that the HOTS problem solving profile of high ability (DA) students in solving HOTS volume prism problems is: 1) at the stage of understanding the problem, the DA subject writes down what is known and is asked in the question based on the information he obtained in the question, 2) makes a plan , the DA subject prepares a plan by linking the knowledge he has and the information he obtains to the problem, so that the DA subject prepares a solution plan correctly. 3) carry out the plan, the DA subject carries out the solution plan according to the plan and uses his numeracy skills to get the correct answer. 4) at the stage of re-checking the answer, the DA subject re-checks the answer by carrying out proof and also making a conclusion at the end of the proof. So that DA meets the four indicators that have been presented.

ANALISIS REPRESENTASI MATEMATIS PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL DI SMP NEGERI 1 SIGI DITINJAU DARI PERBEDAAN GENDER

Nugroho Alfarizi, Baharuddin Paloloang, Dasa Ismaimuza, Pathuddin Pathuddin — Fri, 07 Mar 2025 00:00:00 +0000

This study aims to obtain a description of students' mathematical representation in solving problems of two-variable linear equation systems in grade IX students at SMP Negeri 1 Sigi based on gender differences. This type of research is descriptive research with a qualitative approach. The subjects in this study were 2 students, including male and female students with moderate mathematical abilities. The results of this study indicate that (1) In the visual representation indicator, male students can already represent problems in the form of tables, but have not been able to make solution graphs, while female students cannot represent the problems given in the form of pictures/graphs to solve problems. (2) In the verbal representation indicator, male students have errors in writing several words, while female students have deficiencies in making efficient sentences, but can explore the answers further during the interview. (3) In the symbol representation indicator, male students can represent the given problem into a mathematical expression to find the right solution, while female students cannot solve the problem completely.

PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI FUNGSI KOMPOSISI DI KELAS X SMAN 5 PALU

Irawati Irawati, Anggraini Anggraini, Baharuddin Paloloang — Fri, 07 Mar 2025 00:00:00 +0000

This research aims to obtain a description of the implementation of problem based learning model to improve student learning outcomes in grade X MIPA 3 SMA Negeri 5 Palu on composition of function. This type of research was Classroom Action Research. The research design refers to the model of Kemmis and Mc. Taggart. This research was located at SMA Negeri 5 Palu. The subjects of this study were 30 students of grade X MIPA 3. The results of the research show that the implementation of problem-based learning modelcan improve student learning outcomes, with the following stages: 1) basic concepts;. 2) defining the problem; 3) self-study; 4) study groups; 5) assessment; The increase of students learning outcomes based on the results final test: Action in cycle I is 73.33% and cycle II is 83.33%. The result of observation of teacher activity in cycle I is in the category of sufficient. In cycle II, the total score on the result of the observation of teacher and student activity in cycle II is in good category. The resultindicates that the implementation of Problem Based Learning (PBL) model can improve students learning outcomes on composition of function in grade X of MIPA 3 SMA Negeri 5 Palu.

PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI ARITMATIKA SOSIAL DI KELAS VII B SMP NEGERI 20 SIGI

Suprianto Suprianto, Sutji Rochaminah, Muh. Hasbi — Fri, 07 Mar 2025 00:00:00 +0000

This research aim to obtain a description about application of problem based learning (PBL) that can improve students learning outcomes on Social Arithmetic especially on the subject matter of single interest as well as Gross, Tare and Net in class VII B SMP Negeri 20 Sigi. The type of this research is classroom action research. The design of this research referred to Kemmis and Mc. Teggart’s design. This research was conducted in two cycles. The results of this research indicating that through the application of PBL that can improve student learning outcomes, by following the steps, as follow (1) orientation the students at the problem by providing examples related to Social Arithmetic material in everyday life, (2) organize the students to learn, (3) assist in the investigation of individual and group, (4) develop and present work result, (5) analyze and evaluate problem-solving process.

PROFIL PEMECAHAN MASALAH PENGGUNAAN TEOREMA HERON UNTUK MNENTUKAN LUAS DAERAH SEGITIGA PADA SISWA KELAS XI MIA 1 SMA NEGERI 3 PALU

Bendelina Juwita Pasaung, Sudarman Bennu, Baharuddin Paloloang — Fri, 07 Mar 2025 00:00:00 +0000

This study aims to obtain a problem solving profile using Heron's theorem in determining the area of a triangle. This research is a qualitative research with the subject of three students of class XI MIA 1 SMA Negeri 3 Palu, each one student with high, medium and low math ability. Subject selection for the classification of students' abilities using the standard deviation. Data were collected by observation, student answers and interviews. The problem solving used in this study uses the Polya problem solving step. The results of this study indicate that: (1) students with high, medium and low math abilities understand the problem by identifying information and command sentences on the task to determine what is known and asked. (2) students with high math abilities and making problem-solving plans use ???? = √????(???? − ????)(???? − ????)(???? − ????), while students with low math skills use ????=(a+b+c)/2. (3) high-ability students carry out the problem-solving plan according to the plan correctly, capable students are carrying out according to the plan but are wrong in solving it and low-skill students are wrong in carrying out the plan because the problem-solving plan made is not right. (4) high-ability students and are reviewing the results of their work from the beginning but moderately capable students are not aware of any mistakes, and low- skilled students do not re-examine the results of their work.

PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE TAI (TEAM ASSISTED INDIVIDUALIZATION) UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA KELAS VII MTs POLITANI MACCIRINNAE TIKKE PADA MATERI OPERASI BENTUK ALJABAR

Mirnawati Mirnawati, Mustamin Idris, Sutji Rochaminah — Fri, 07 Mar 2025 00:00:00 +0000

The purpose of this study was to describe the Application of the Team Assisted Individualization (TAI) Type of Cooperative Learning Model which can improve the Mathematics Learning Outcomes of Class VII MTs Politani Maccirinnae Tikke in material on Algebraic Operations. The research subjects were 30 students of class VII, consisting of 11 male students and 19 female students, and three students were selected as informants. This research was conducted in two cycles. The results showed that the application of the TAI-type cooperative learning model could improve student learning outcomes in material for algebraic operations in class VII MTs Politani Maccirinnae Tikke by following the phases of cooperative learning, namely: at the first meeting 1) conveying goals and motivating students, the teacher conveys material and learning objectives and motivate students to be enthusiastic and actively involved in learning. Next, provide apperception by reminding the material previously studied, 2) present information, the teacher briefly describes the phases of the TAI type cooperative learning model that will be applied in learning, then the teacher distributes worksheets to be worked on individually, 3) organizes students into groups -study groups, the teacher divides students into 5 study groups (Teams), 4) guides the work and study groups, the teacher gives new LKPD to each group and conveys that individual work results are discussed in groups. The results of the discussion are concluded in the answers to the LKPD (Team Study), 5) Evaluation, the teacher appoints groups in turn to present the results of their group discussions (Whole Class Unit), 6) gives awards, the teacher announces the best group from group learning results and gives awards in the form of applause (Team Score and Team Recognition), and at the second meeting the teacher gave a final action test (Fact Test). This is indicated by the percentage of students' classical completeness in cycle I of 57.14% increasing to 80.76% in cycle II. The results of observations of teacher activity in cycle I were in the good category with a total score of 37 and an increase in cycle II was in the very good category with a total score of 45. The results of observations of student activity in cycle I were in the good category with a total score of 36 and an increase in cycle II is in the very good category with a total score of 45.

PROFIL PEMECAHAN MASALAH SISWA SMP NEGERI 1 PALASA DALAM MENYELESAIKAN SOAL PROGRAMME FOR INTERNATIONAL STUDENT ASSESSMENT (PISA) KONTEN QUANTITY

Yulviyana Yulviyana, Baharuddin Paloloang, Dasa Ismaimuza — Fri, 07 Mar 2025 00:00:00 +0000

The purpose of this research is to identify the problem-solving profile of junior high school students as they solve PISA problems with a quantity content. The type of this Research is descriptive research with qualitative approach. There were two students in this research as subject, both having high and medium ability levels. Data were collected by test and interview methods. Problem solving in this research refers to Polya's problem solving steps. The results of the research show: (1) At the step of understanding the problem, students with high and medium ability levels can identify things that are known and asked at the given problem; (2) At the step of devising a problem-solving plan, students with high and medium ability levels can explain the problem-solving plan and relate it to what is known and asked about the problem so that it leads to problem solving; (3) At the step of carrying out the problem-solving plan, students with high and medium ability levels can write down the steps of completion based on the solution plan that has been made and obtain the final result; (4) At the step of looking back the process and results of problem solving, students with high and medium ability levels can adjust the answers obtained with the questions asked in the problem and can make conclusions at the end of solving the problem.

PROFIL PEMECAHAN MASALAH SISWA SMP NEGERI 1 PALASA DALAM PROFIL PEMECAHAN MASALAH TURUNAN FUNGSI ALJABAR SISWA KELAS XI IPA SMA NEGERI 1 WITA PONDA

Ni Made Luh Kerti, Sudarman Bennu, Anggraini Anggraini — Fri, 07 Mar 2025 00:00:00 +0000

This study aims to describe the profile of solving problems of derivatives of algebraic functions. This type of research is a qualitative research with a qualitative descriptive approach based on the problem solving stages of Polya. The determination of the research subject was based on the results of daily mathematics tests for the 2021/2022 school year and recommendations from the mathematics teacher. Data collection was carried out by giving assignments and interviews. The results of this study indicate that: 1) the stages of understanding the problems of students with high, medium and low mathematical abilities are identifying problem information, namely things that are known and asked through statements and command sentences correctly. 2) the stage of making a problem-solving plan for students with high mathematical abilities uses the concept of derivatives of algebraic functions to correctly determine the speed and acceleration, students with moderate mathematical abilities are right to the wrong speed and acceleration, while students with low mathematical ability to determine the correct speed and acceleration are wrong. 3) the stage of carrying out the problem-solving plan for students with high mathematical abilities carrying out the problem-solving plan correctly, students with mathematical abilities carrying out the problem-solving plan at the right speed but not the right acceleration, while students with low mathematical ability carrying out the problem-solving plan incorrectly. 4) the stage of re-examining the problem solving of students with high mathematical abilities checked again correctly, students with medium and low mathematical abilities did not re-check their answers.

PROFIL KOMUNIKASI MATEMATIS SISWA KELAS X MIPA MA NEGERI 2 KOTA PALU DALAM MENYELESAIKAN SOAL CERITA SISTEM PERSAMAAN LINEAR TIGA VARIABEL

Nurlela Sari, Muh. Hasbi, Anggraini Anggraini — Fri, 07 Mar 2025 00:00:00 +0000

This research aims to obtain students' mathematical communication profile in solving story problems of three-variable linear equation system. This type of research is descriptive research with a qualitative approach. The research subjects consisted of 3 students each with high, medium and low abilities. Data were collected using 2 techniques, namely written task and interviews. Indicators of mathematical communication in this research use indicators of mathematical communication according to NCTM. The results showed: (1) in indicator of expressing mathematical ideas through writing and spoken, MRH and NNP subjects wrote and explained the example and how to form a linear equation of three variables. While HFK only explained the example. HFK also wrote and explained how to form a linear equation of three variables; (2) in indicator of understanding, interpreting, and evaluating mathematical ideas in writing and spoken, MRH and NNP subjects wrote and explained the steps of solving the problem correctly, while HFK was incomplete in writing and explaining it. MRH and NNP wrote and mentioned the conclusion according to what was asked in the problem, while HFK did not write or mention it; (3) In indicator of using mathematical terms, symbols and structures to model mathematical situations or problems, MRH, NNP and HFK used mathematical symbols and structures in writing example, equations and problem solving steps.

ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL PENJUMLAHAN DAN PENGURANGAN BILANGAN BULAT DI KELAS VII C SMP NEGERI 6 PALU

Putri Rezkia, Baharuddin Paloloang, Ibnu Hadjar — Fri, 07 Mar 2025 00:00:00 +0000

This study aims to obtain a description of the types of student errors in solving addition and subtraction of integers in class VII C of SMP Negeri 6 Palu. This type of research is descriptive research using a qualitative approach. The subjects of this study were three students of class VII C who had high, medium and low levels of mathematical ability. The results of this study indicate that subjects with high mathematical abilities make conceptual errors with an error indicator, namely not knowing the formula used. Subjects with mathematical abilities are making conceptual errors with an error indicator, namely not knowing the formula used. Technical errors with error indicators, namely making mistakes in arithmetic operations. Subjects with low mathematical abilities made conceptual errors with error indicators, namely not being able to apply the formula. Technical errors with error indicators, namely making mistakes in arithmetic operation, then the subject made a mistake in moving the numbers or arithmetic operations from one step to the next.