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4 results on '"Utami, Nurul Audhifa"'

1. Students' abilities in mathematical representation to solve mathematics problems.

Author

Utami, Nurul Audhifa, Sa'dijah, Cholis, and Chandra, Tjang Daniel

Subjects
*MATHEMATICAL ability, *PROBLEM solving, *CRITICAL thinking, *GEOMETRIC connections, *MATHEMATICS, *MATHEMATICAL notation, *SECONDARY schools
Abstract

Mathematical representation is one of the fundamental abilities used in mathematics to build the connection between abstract ideas and logical thinking to understand and solve mathematics problems. The level of student representation ability will affect the way students convey the idea of solving mathematics problems. This shows how important this ability is in mathematics. But in fact, the ability of mathematical representation is felt to be less comprehensively mastered. This is indicated by the large number of students having difficulty conveying their ideas in solving mathematics problems. This paper describes students' abilities in mathematical representation to solve math problems. The indicators for mathematical representation ability in this research are classified as verbal representation (written text), visual representation (picture, diagram, graph, or table), and symbolise representation (mathematical statement, numerical/algebra symbol, mathematical notation). The subject of this research was 8-grade students of one of the junior secondary schools at Bukittinggi. The results showed that 22 out of 34 students have difficulty in conveying their ideas to solve math problems, while the rest feel quite good about it. [ABSTRACT FROM AUTHOR]

Published
2024
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2. Representasi matematis siswa dalam memecahkan masalah berbasis hots melalui tes penalaran analogi ditinjau dari gender di MTSN Bukittinggi / Nurul Audhifa Utami</p>

Author

Utami, Nurul Audhifa, 1. Prof. Dr. Cholis Sa'dijah, M.pd, M.a. ; 2. Drs. Tjang Daniel Chandra, M.si, Ph.d., Utami, Nurul Audhifa, and 1. Prof. Dr. Cholis Sa'dijah, M.pd, M.a. ; 2. Drs. Tjang Daniel Chandra, M.si, Ph.d.

Abstract

Dalam pembelajaran matematika terdapat lima kemampuan dasar yang penting untuk dikuasai siswa agar tercapainya tujuan pembelajaran matematika. Diantara kemampuan tersebut terdapat dua kemampuan yang saling berkaitan antara satu sama lain. Adapun kemampuan tersebut adalah representasi matematis dan pemecahan masalah. Representasi matematis sangat berperan penting dalam menentukan bagaimana sikap siswa ketika dihadapkan dengan suatu permasalahan atau dalam memberikan jawaban saat memecahkan suatu permasalahan yang ada khususnya permasalahan matematika. Diantara permasalahan matematika yang ada dewasa ini marak digalakkannya pembelajaran yang menggunakan masalah berbasis HOTS. Masalah berbasis HOTS yang dimaksud adalah masalah matematika yang mengasah skill analisis evaluasi atau mencipta siswa dalam memecahkannya. Salah satu instrumen yang dapat mengasah skill analisis evaluasi atau mencipta siswa adalah tes penalaran analogi. Tes penalaran analogi merupakan suatu tes yang terdiri atas masalah sumber dan masalah target dimana dalam menyelesaikannya siswa dapat mencari persamaan dari masalah sumber dengan masalah target sehingga masalah target dapat terselesaikan. Penelitian ini merupakan penelitian deskriptif kualitatif dimana output dari penelitian ini adalah deskripsi representasi matematis siswa dalam memecahkan masalah HOTS melalui tes penalaran analogi ditinjau dari gender. Penelitian ini dilakukan di salah satu MTsN di Bukittinggi dengan kelas subjek penelitian kelas VIII.7. Berdasarkan hasil tes penalaran analogi dipilihlah tiga siswa laki-laki dan tiga siswa perempuan untuk diwawancarai. Adapun dalam proses analisis data hal pertama yang dilakukan peneliti adalah mengumpulkan data berupa jawaban siswa terhadap tes penalaran analogi. Setelah mendapatkan data tersebut hasil jawaban siswa di scan dan diperiksa guna mempermudah peneliti memilih subjek penelitian untuk diwawancarai. Setelah diperiksa dipilihlah enam siswa yang terdiri dari tiga siswa laki-laki d

Published
2023

4. Students' errors analysis based on Castolan stages in solving vector grade X at SMA Negeri 1 Ampek Angkek.

Author

Mukhni and Utami, Nurul Audhifa

Subjects
*ORTHOGONAL functions, *DATA analysis, *STUDENTS
Abstract

This paper analyzes students' errors at X MIPA 4 SMAN 1 Ampek Angkek, and it causes in solving vector based on Castolan. The type of research is descriptive with a qualitative approach—data analysis through reduction, display, and conclusion. The result showed that 1) around 66,66% of students made a conceptual error in vector operation, 33,33% in measuring the angle between two vectors, also 55,55% in orthogonal vector. 2) around 44,44% of students made a procedural error in measuring the angle between two vectors. 3) around 11,10% of students made a technical error identifying three collinear points. The cause is students' carelessness and does not recheck the answers. [ABSTRACT FROM AUTHOR]

Published
2023
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