Mastering vocabulary is very important, because vocabulary is the main aspect in teaching English. Vocabulary is a set of words for which an individual can assign meanings when he or she listening, speaking, reading or writting. People interact in communication will not be effective if they do not master the vocabulary. Direct method is one of method that can help learner to learn vocabulary by themselves. The objective of this research is to find out whether teaching vocabulary using direct method can improve students’ vocabulary at seventh grade of MTs. Negeri Sukasari. The method of this research was quantitative method. The researchers used one group pretest-posttest design. The population of this research was the seventh grade students of MTs. Negeri Sukasari Cimahi and the sample taken from 31 students. The data of this research were collected by giving pretest and posttest, and the data was assisted by SPSS 23.version. Mean score of pretest was 71.61, while mean score of posttest was 89.68 and Wilcoxon test Asymp. Sig. (2-tailed) significant level was .000. In the other words, the null hypothesis (Ho) was rejected, because the Asymp. Sig. (2-tailed) in Wilcoxon test .000 was lower than 0.05. It means that teaching using direct method can improve the students’ vocabulary.
Kemampuan berpikir adalah salah satu faktor penting bagi siswa dalam pembelajaran matematika. Hal ini dikarenakan kemampuan berpikir memiliki peranan yang sangat strategis dalam mengembangkan potensi intelektual anak. Kemampuan berpikir dapat ditingkatkan dengan adanya pembelajaran yang bermakna. Pembelajaran di Indonesia saat ini menggunakan kurikulum 2013 yaitu dengan pendekatan saintifik. Pendekatan saintifik dijabarkan dalam tahapan kegiatan mengamati, menanya, mengumpulkan informasi, mengasosiasi, dan mengkomunikasikan. Pembelajaran matematika dengan pendekatan saintifik dapat meningkatkan prestasi belajar siswa dan meningkatkan kemampuan berpikir matematika siswa. Namun, masalah yang dihadapi saat ini adalah bagaimana cara untuk meningkatkan kemampuan berpikir siswa dalam pembelajaran matematika. Pada pendekatan saintifik, siswa dapat dilatih untuk meningkatkan kemampuan berpikir dengan cara guru memberi pertanyaanpertanyaan menarik dan menantang yang melatih siswa untuk berpikir secara aktif dan kreatif. Penulisan artikel ini bertujuan untuk memaparkan bagaimana cara meningkatkan kemampuan berpikir siswa dalam pembelajaran matematika melalui pendekatan saintifik. Metode penulisan yang digunakan dalam artikel ini adalah studi pustaka. Hasil pembahasan menunjukkan bahwa pendekatan saintifik dapat meningkatkan kemampuan berpikir siswa dalam pembelajaran matematika.
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