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All Journal JURNAL MathEdu (Mathematic Education Journal)
Nisah Ayu Siregar
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Education Mathematics

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EFEKTIVITAS PENGGUNAAN MODEL PEMBELAJARAN INSIDE OUTSIDE CIRCLE TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SMP NEGERI 1 TANTOM ANGKOLA Dissa Putri Vera; Yulia Pratiwi Siregar; Nisah Ayu Siregar
JURNAL MathEdu (Mathematic Education Journal) Vol 1 No 1 (2018): Vol.1. No.1. Maret 2018
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

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The aims of this study is to: 1) describe of using inside outside circle learning model, 2) describe students’ mathematic communication ability before and after using inside outside circle learning model, and 3) describe effectiveness of using inside outside circle learning model on students’ mathematic communication ability at the seventh grade students SMP Negeri 1 Tantom Angkola. This research was conducted by applying experimental method (one group pretest post test design) with sample 30 students and they were taken by using simple random sampling technique. Observation and test were used in collecting the data. Based on descriptive analysis, it was found that: (a) the score of using inside outside circle learning model was 3.9 (very good category), b) the average of students’ mathematic communication ability before using inside outside circle learning model was 33.13 (fair category) and after using inside outside circle learning model was 84.40 (very good category), significant value was 0.00<0.05, and c) N-Gain value was 0.76 (high category), inside outside circle learning model was effective which had percentage 66.7% (effective criteria). It was concluded inside outside circle learning model increased students’ mathematic communication ability at the seventh grade students SMP Negeri 1 Tantom Angkola.
EFETIVITAS PENGGUNAAN MODEL PEMBELAJARAN VISUALITATION AUDITORY KINESTETIC (VAK) TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA DI SMP NEGERI 8 PADANGSIDIMPUAN Nurul Riadiah; Nisah Ayu Siregar; Marzuki Ahmad
JURNAL MathEdu (Mathematic Education Journal) Vol 2 No 02 (2019): Vol. 02 No. 02 Juli 2019
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

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Tujuan penelitian ini adalah untuk mendeskripsikan keefektifan penggunaan model pembelajaran VAK terhadap kemampuan komunikasi matematis siswa pada topik bangun ruang pada siswa kelas delapan di SMP Negeri 8 Padangsidimpuan. Penelitian ini dilakukan dengan menerapkan eksperimen (one group pre test post test design) dengan sampel 25 siswa dan diambil dengan menggunakan teknik random sampling dari 271 siswa. Observasi dan tes digunakan dalam mengumpulkan data. Berdasarkan analisis deskriptif, ditemukan: (a) rata-rata menggunakan model pembelajaran VAK adalah 3,8 (kategori sangat baik) dan b) rata-rata kemampuan komunikasi matematis siswa pada topik bangun ruang sebelum menggunakan model pembelajaran VAK adalah 37,6 ( kategori buruk) dan setelah menggunakan model pembelajaran VAK adalah 80,5 (kategori sangat baik). Selanjutnya, dengan menggunakan formulasi N-Gain hasil menunjukkan G = 0,68 (efektif menengah), itu berarti menggunakan model pembelajaran VAK efektif pada kemampuan komunikasi matematis siswa pada bangun ruang pada siswa kelas delapan SMP Negeri 8 Padangsidimpuan. Kata kunci: VAK, kemampuan komunikasi, figur solid
Co-Authors Dissa Putri Vera Marzuki Ahmad Nurul Riadiah yulia pratiwi siregar