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All Journal JIPM (Jurnal Ilmiah Pendidikan Matematika) MATH LOCUS: Jurnal Riset dan Inovasi Pendidikan Matematika
Ruliani, Iva Desi
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Education Mathematics

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Profile Analysis of Mathematical Problem Solving Abilities with Krulik & Rudnick Stages Judging from Medium Visual Representation Ruliani, Iva Desi; Nizaruddin, Nizaruddin; Murtianto, Yanuar Hery
JIPM (Jurnal Ilmiah Pendidikan Matematika) Vol 7, No 1 (2018)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (681.999 KB) | DOI: 10.25273/jipm.v7i1.2123

Abstract

The ability to solve mathematical problems is very important in learning math and everyday life. According to Krulik & Rudnick there are 5 stages of problem solving that is Read, Explore, Select A Strategy, Solve And Look Back. Mathematical problems require multiple representational skills to communicate problems, one of which is visual representation. Trigonometry is one of the materials that uses visual representation. This research is a qualitative descriptive research that aims to describe the ability of problem solving mathematics with Krulik & Rudnick stages in terms of visual representation. The study was conducted in MAN 2 Brebes. Determination of Subjects in this study using Purposive Sampling. Research instruments used to obtain the required data are visual representation and problem-solving tests, and interview guidelines. The data obtained were analyzed based on the Krulik & Rudnick problem solving indicator. Subjects in this study were subjects with moderate visual representation. Based on the results, problem solving ability of the subject is not fully fulfilled. Subjects with visual representations are able to do problem solving well that is solving the problem through a concept that is understood without visualization of the image. Subjects with visual representations are having a schematic visual representation type.
Penerapan Model Discovery Learning Berbasis Soal Cerita untuk Meningkatkan Hasil Belajar Siswa Ruliani, Iva Desi; Purwati, Heni; Windiarti, Windiarti; Harun, Lukman
MATH LOCUS: Jurnal Riset dan Inovasi Pendidikan Matematika Vol. 5 No. 1 (2024): MATH LOCUS: Jurnal Riset dan Inovasi Pendidikan Matematika
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/mathlocus.v5i1.4314

Abstract

 Berdasarkan hasil observasi pembelajaran, ditemukan beberapa siswa masih kebingungan saat mengubah soal cerita ke dalam bentuk simbol matematika dan tidak fokus dalam pembelajaran saat dilakukan observasi di kelas. Tujuan penelitian adalah meningkatkan hasil belajar siswa melalui model pembelajaran discovery learning. Penelitian ini merupakan jenis Penelitian Tindakan Kelas (PTK). Subjek dalam penelitian ini adalah 36 siswa kelas X PPLG 2 SMK Negeri 7 Semarang. Instrumen yang digunakan adalah tes dan lembar observasi. Teknik pengumpulan data yaitu tes tertulis dan observasi. Sedangkan analisis data menggunakan analisis deskriptif. Penelitian dilakukan dalam 2 siklus. Pada siklus 1 ketuntasan klasikal siswa mencapai 64%, sedangkan pada siklus 2 ketuntasan klasikal siswa mencapai 86%. Selisih ketuntasan klasikal sebesar 22%. Berdasarkan hasil penelitian, terdapat peningkatan hasil belajar melalui penggunaan model discovery learning berbasis soal cerita.
Co-Authors Heni Purwati Nizaruddin Nizaruddin Windiarti, Windiarti Yanuar Hery Murtianto