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Student Difficulties in Addition and Subtraction of Two Digit Numbers Mauhibah, Rohma; Karso, Karso
International Conference on Elementary Education Vol. 2 No. 1 (2020): Proceedings The 2nd International Conference on Elementary Education
Publisher : Elementary Education Study Program School of Postgraduate Studies Universitas Pendidikan Indonesia in collaboration with UPI PRESS

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Abstract

Two digits addition and subtraction are important ability that must be mastered by all of student in elementary school. Because this skill will be the pre condition for further activities in mathematics. But, there are some student still have difficulties on it. This study describes about the student difficulties in solving addition and subtraction problem. The respondent are 28 student of second grade in SDN 033 Asmi Bandung. Research instrument is written test. There are three purpose of question (1) To know student ability on solving direct addition and subtraction problem, (2) To know student understanding on the meaning of operation. and (3) To know student understanding on relationship between addition and subtraction. There are three part of question. According to the findings obtained from the test, the students had some difficulties. The most difficulties is 78% of participant fail to answer 46 – 28= … . They can not do subtraction which is need to borrow. It is indicate that they just do the procedure without understanding the consept of operation. And then in question (… - 7 = 9 + 15 = …) there was 50% of student can not solve the problem. It indicate that they dodn’t understand on relationship between addition and subtraction
Sundanese Ethnomatemics Learning in Improving Mathematical Literacy Ability of Elementary School Students Mufidah, Mufidah; Karso, Karso
International Conference on Elementary Education Vol. 2 No. 1 (2020): Proceedings The 2nd International Conference on Elementary Education
Publisher : Elementary Education Study Program School of Postgraduate Studies Universitas Pendidikan Indonesia in collaboration with UPI PRESS

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Abstract

Mathematical literacy is an important part of mathematical abilities that must be developed. At the end of 2016, Indonesia appreciated the achievement of the Program for International Student Assessment (PISA) value which increased significantly by 22.1 points. In the test, mathematical literacy experienced a good increase of 11 points. But, it is still considered low compared to other countries. The purpose of this review literature is to analyze Sundanese Ethnomatematics Learning in improving mathematical literacy skills. This article discusses in detail 1) sundanese ethnomatemics learning 2) mathematical literacy skills
Are the fractions difficult? A case study at Elementary School 033 Asmi Sartono, Sartono; Karso, Karso
International Conference on Elementary Education Vol. 2 No. 1 (2020): Proceedings The 2nd International Conference on Elementary Education
Publisher : Elementary Education Study Program School of Postgraduate Studies Universitas Pendidikan Indonesia in collaboration with UPI PRESS

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Abstract

Mathematics was a subject that was required to all students, especially students in elementary schools. Mathematics was the foundation to understand and develop technology and science. One of the materials in mathematics was fractions. The material was material that was considered as the difficult material to be understood by students. The research design used in this study was a qualitative research design with the case study as its methodology. The results showed that (1) students who met the criteria standard were only 14.29%, i.e. 4 of 28 students. Whereas 85.71% was under the criteria, i.e. 24 of 28 students; (2) the difficulties learners in understanding and resolving a matter of fractions was multiplication of fractions with 29% who answered correctly, meeting fractions and integers with 21.4% who answered correctly, and mixed fractions with 39.3% who answered correctly. From these results, we can say that fractions were a difficult material to be understood by students
MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA DENGAN MENGGUNAKAN METODE PEMBELAJARAN THINKING ALOUD PAIR PROBLEM SOLVING (TAPPS) Artika, Tuti; Karso, Karso
PRISMA Vol 8, No 2 (2019): Jurnal PRISMA Volume 8, No 2 tahun 2019
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v8i2.791

Abstract

Pemecahan masalah merupakan bagian dari pembelajaran matematika yang sangat penting dalam pembelajaran maupun dalam penyelesaiannya. Bedasarkan hal tersebut dilakukan penelitian yang bertujuan untuk : 1) mengetahui peningkatan kemempuan pemecahan masalah matematis siswa antara siswa yang memperoleh pembelajaran dengan menggunakan metode pemebelajaran Thinking Aloud Pair Problem Solving (TAPPS) dan pembelajaran biasa, 2) mengetahui sikap siswa terhadap pembelajaran matematika dengan menggunakan metode Thinking Aloud Pair Problem Solving (TAPPS). Penelitian ini dilakukan di SMP Negeri 5 Cianjur, Tahun Pelaaran 2018/2019. Metode penelitian yang digunakan adalah metode eksperimen jenis kuasi eksperimen dengan desain kelompok pretest-posttest, kontrol non-ekivalen (the non-equivalen pretest-posttes control group desaign). Subjek penelitian ini adalah 55 siswa yang terdiri dari 26 siswa kelas kontrol dan 29 siswa kelas eksperimen yang diperoleh dengan teknik purposive sampling. Instrumen pengumpulan data yang digunakan adalah tes kemampuan pemecahan masalah matematis siswa berbentuk uraian dan angket skala sikap menggunakan skala Likert. Hasil penelitian menunjukan bahwa : 1) peningkatan kemampuan pemecahan masalah matematis siswa dengan menggunakana metode pembelajaran Thinking Aloud Pair Problem Solving (TAPPS) lebih baik dibandingkan dengan peningkatan kemampuan pemecahan masalah matematis siswa dengan model pembelajaran biasa, 2) sikap siswa positif terhadap pembelajaran matematika dengan menggunakan metode pembelajaran Thinking Aloud Pair Problem Solving (TAPPS). Kata Kunci : Pemecahan Masalah, Thinking Aloud Pair Problem Solving (TAPPS)