DEVELOPMENT OF FADED EXAMPLE WORKSHEET TO ENHANCE THE ABILITY OF MATHEMATICAL PROBLEM SOLVING IN MIDDLE SCHOOL STUDENTS
Abstract
The importance of mathematics in learning, encourages students to understand the material. There are five supporting abilities that students must have in order to understand mathematics. One of the supporting abilities in understanding mathematics is mathematical problem solving ability. In addition to the ability to understand mathematics, to help students improve their problem solving skills, other things are needed. One of them is the use of student worksheets. However, due to the low mathematical problem-solving ability of students and the unsuitability of worksheets used in learning, innovations are needed in learning. Therefore, the purpose of this study is to improve mathematical problem solving skills by using faded example worksheets based on valid, practical, and effective criteria. This research method is Research and Development with ADDIE model (analysis, design, development, implementation, and evaluation). The results indicate that the developed worksheets are valid with an assessment by material and media experts with validation results of 83.33% and 86.17%; based on the results of teacher and student responses of 75% and 79.51% with practical criteria; and the worksheets developed get a fairly effective assessment through pretest-posttest with N-Gain Score results of 0.59 for 27 students.
Pentingnya matematika pada pembelajaran, mendorong siswa harus mampu memahami materi tersebut. Terdapat lima penunjang kemampuan yang harus dimiliki oleh siswa agar dapat memahami matematika. Kemampuan penunjang dalam memahami matematika satu diantaranya adalah kemampuan pemecahan masalah matematis. Selain kemampuan dalam memahami matematika, untuk membantu siswa dalam meningkatkan kemampuan pemecahan masalah, diperlukan hal lain. Satu diantaranya adalah penggunaan lembar kerja siswa. Namun, rendahnya kemampuan pemecahan masalah matematis siswa dan belum sesuainya lembar kerja yang digunakan saat pembelajaran, perlu dilakukan inovasi pada pembelajaran. Oleh karena itu, tujuan dari penelitian ini adalah meningkatkan kemampuan pemecahan masalah matematis dengan menggunakan lembar kerja faded example berdasarkan kriteria valid, praktis, dan efektif. Metode penelitian ini adalah Research and Development dengan model ADDIE (analysis, design, development, implementation, dan evaluation). Hasil yang didapat dari penelitian ini adalah lembar kerja yang dikembangkan valid dengan penilaian oleh ahli materi dan media dengan hasil validasi sebesar 83,33% dan 86,17%; berdasarkan hasil respons guru dan siswa sebesar 75% dan 79,51% dengan kriteria praktis; dan lembar kerja yang dikembangkan mendapatkan penilaian cukup efektif melalui pretest-posttest dengan hasil N-Gain Score sebesar 0,59 terhadap 27 orang siswa.
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