Abstract
This study aims to determine the effectiveness of worksheets based on an open-ended approach to students' mathematical problem solving abilities. Subjects in the study were eighth grade public and private junior high school students in Lubuklinggau City who were from 3 schools. Each school is SMP Negeri 1 Lubuklinggau totaling 33 students, SMP Negeri 14 Lubuklinggau totaling 29 students and SMP PGRI 3 Lubuklinggau totaling 14 students. Data collection techniques in this study are test techniques. the test used in the study is a description test which is compiled based on indicators of mathematical problem solving abilities. The data analysis technique used in this study is one sample t-test with the help of SPSS Version 24 program.The data analysis t-test students' mathematical problem solving capabilities of three schools only SMP Negeri 1 Lubuklinggau which show significantly less than equal to 61 (μo ≤ 61). SMP Negeri 14 Kota Lubuklinggau and SMP PGRI 3 Lubuklinggau showed that the average mathematical problem-solving ability of students after using LKS based on open-ended was significantly more than 61 (μo > 61). Of the two schools that have been represented, it can be concluded that the implementation of Open-ended worksheets is effective to use. This study aims to determine the effectiveness of worksheets based on an open-ended approach to students' mathematical problem solving abilities. Subjects in the study were eighth grade public and private junior high school students in Lubuklinggau City who were from 3 schools. Each school is SMP Negeri 1 Lubuklinggau totaling 33 students, SMP Negeri 14 Lubuklinggau totaling 29 students and SMP PGRI 3 Lubuklinggau totaling 14 students. Data collection techniques in this study are test techniques. the test used in the study is a description test which is compiled based on indicators of mathematical problem solving abilities. The data analysis technique used in this study is one sample t-test with the help of SPSS Version 24 program.The data analysis t-test students' mathematical problem solving capabilities of three schools only SMP Negeri 1 Lubuklinggau which show significantly less than equal to 61 (μo ≤ 61). SMP Negeri 14 Kota Lubuklinggau and SMP PGRI 3 Lubuklinggau showed that the average mathematical problem-solving ability of students after using LKS based on open-ended was significantly more than 61 (μo > 61). Of the two schools that have been represented, it can be concluded that the implementation of Open-ended worksheets is effective to use.
Highlights
Lembar kerja siswa (LKS) adalah sumber belajar penunjang yang dapat meningkatkan pemahaman siswa mengenai materi yang harus mereka kuasai
This study aims to determine the effectiveness of worksheets based on an open-ended approach to students' mathematical problem solving abilities
Data collection techniques in this study are test techniques. the test used in the study is a description test which is compiled based on indicators of mathematical problem solving abilities
Summary
Evalida & Hastarudin (2016) dengan mengembangkan lembar kerja siswa berbasis pendekatan open-ended dalam meningkatkan kemampuan pemecahan masalah matematika dan berpikir kreatif siswa pada materi kubus dan balok. Samparadja (2014) menggunakan efektivitas pendekatan open-ended dalam meningkatkan kemampuan pemecahan masalah matematika. Dua Variabel (SPLDV) dan melihat efektivitas produk LKS dalam meningkatkan kemampuan pemecahan masalah matematis siswa. Pertama di Kota Lubuklinggau, diketahui bahwa masih banyak permasalahan-permasalahan yang ditemui dalam proses kegiatan pembelajaran. Salah satu permasalahan yang dijumpai adalah belum ada bahan ajar berupa LKS dengan pendekatan open-ended yang bisa membantu guru dalam membelajarkan siswa untuk menuntut satu jawaban yang benar menjadi permasalahan terbuka (openended problems) sehingga kemampuan. Masih jarang ditemukan bahan ajar dikembangkan secara mandiri oleh guru, bahan ajar yang digunakan dalam proses pembelajaran di kelas yaitu langsung dari penerbit baik itu berupa buku ajar maupun LKS
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