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Journal : Jurnal Peluang

Pemahaman Konsep Operasi Hitung Bilangan Bulat Peserta Didik SMP melalui Brain-Based Learning Raudhatul Jannah; Anizar Ahmad; M. Duskri
Jurnal Peluang Vol 7, No 2 (2019): Jurnal Peluang
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5224.627 KB) | DOI: 10.24815/jp.v7i2.13743

Abstract

Curriculum 2013 mandates that learners should be able to understand mathematical concepts well, making it easier for learners to solve the problems of mathematics. However, there are still many students who are not able to understand mathematical concepts well, including the concept of integer arithmetic operations. This is because students think math as a complicated subject, so make the most of students do not like math. Therefore, teachers should be able to create learning that presents a fun and challenging atmosphere that make learners more excited. This study aims to determine the understanding of the concept of integer arithmetic operations of learners after participating in Brain-Based Learning. This type of research is experimental research with quantitative and qualitative approaches. This research was conducted in one of the Year 7 classes in the SMPIT Al-Azhar Banda Aceh. The results showed that the understanding of the concept of learners after participating in Brain-Based Learning (BBL) categorized as good, as seen from the values obtained by the four students were selected as subjects in this study. Learners who initially operate regardless of the sign of the times and to come to understand that multiplication and division should be done first. Likewise, with learners who initially was mistaken in operating the positive and negative integers, once implemented, BBL has been able to do it right and achieve some indicators of understanding of the concept.
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MATEMATIS MELALUI MODEL PROJECT BASED LEARNING PADA SISWA SMP/MTs M Duskri
Jurnal Peluang Vol 7, No 2 (2019): Jurnal Peluang
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.904 KB) | DOI: 10.24815/jp.v7i2.15100

Abstract

Penelitian ini bertujuan untuk mengetahui: 1) peningkatan kemampuan berpikir kritis matematis siswa setelah diterapkan model project based learning (PjBL) pada siswa SMP/MTs; 2) membandingkan peningkatan kemampuan berpikir kritis siswa yang dibelajarkan dengan Model project based learning dan siswa yang dibelajarkan dengan pembelajaran konvensional. Metode penelitian yang digunakan adalah penelitian quasi eksperimen dengan control group pretest-posttest design. Teknik pengumpulan data melalui pree test dan post test tentang kemampuan berpikir kritis matematis, sedangkan teknik analisis datanya menggunakan uji N-Gain dan uji-t independen. Sebagai populasi dari penelitian ini adalah siswa SMPN 6 Banda Aceh, sedangkan sampelnya adalah siswa kelas VIII-5 sebagai kelas eksperimen dan kelas VIII-6 sebagai kelas kontrol. Hasil penelitian menunjukkan: (1) rata-rata nilai siswa kelas eksperimen diperoleh N-Gain 0.52 pada kategori “sedang” dan berdasarkan uji paired sample t testdiperoleh thitung  ttabel atau 13.44 1.67, berarti terjadi peningkatan yang signifikan kemampuan berpikir kritis matematis siswa setelah diterapkan model project based learning (PjBL) terhadap siswa SMP/MTs; (2) Hasil dari pengujian dengan uji–t independen, diperoleh  dan , atau , dapat disimpulkan bahwa peningkatan kemampuan berpikir kritis matematis siswa yang dibelajarkan dengan menggunakan model pembelajaran project based learning lebih baik dari pada peningkatan kemampuan berpikir kritis matematis siswa yang dibelajarkan dengan pembelajaran konvensional.