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All Journal Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Journal of Educational Sciences
Yani, Casmi Fitri
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PENGARUH PENERAPAN MODEL DISCOVERY LEARNING TERHADAP KEMAMPUAN PEMAHAMAN MATEMATIS SISWA KELAS IX SMP NEGERI 1 KAMPAR TIMUR Yani, Casmi Fitri; Zuhri D, Zuhri D; Murni, Atma
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 5, No 1 (2018): WISUDA APRIL 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

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Abstract

Abstract: The background of this research was the low ability of students mathematical understanding which effect to the lower score of mathematics learning outcomes in junior high school. The type of this research is experimental research and using the static group comparison design. The population in this research were all grade IX students of SMP Negeri 1 Kampar Timur. The sample in this research consists of two class, where the IX1 as an experimental class and the IX2 as a control class. The aim in this research was to know the effect of implementation discovery learning model toward students mathematical understanding ability based on KD 3.7 Create the generalization of the surface area and the volume of curved side geometry (tube, cone, and ball), and KD 4.7 Complete the contextual problems which are related to the surface area and the volume of curved side geometry (tube, cone, and ball), and also the combination of some of the curved side geometries. The instruments in this research were mathematical early ability test and the mathematical understanding ability test (postest). The result of mathematical early ability test was used for determining the sample of class. The postest result was analyzed by nonparametric statistic test of Mann Whitney and the magnitude of the effect was calculated using the Cohen’s formula. The result of the research showed that implementation discovery learning model gave the positive effect toward the mathematical understanding ability. The implementation discovery learning model had a magnitude of the effect for 76% toward the students mathematical understanding ability at grade IX of SMP Negeri 1 Kampar Timur and included in the medium category.Key Words: Discovery Learning, Mathematical Understanding Ability.
Development of Mathematic Learning Devices using Discovery Learning Models with Riau Cultural Context to Improve Students 'Mathematic Problems Understanding and Solving Ability Yani, Casmi Fitri; Murni, Atma; Roza, Yenita
Journal of Educational Sciences Vol 5. No. 1. January 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.1.p.11-22

Abstract

This research was motivated by the low Mathematical Comprehension Ability (KPM) and Mathematical Problem Solving Ability (KPMM) of students and the absence of learning tools that can properly solve the problem of low KPM and KPMM. The products that is produced from this research are syllabus, lesson plans, and LKPD using discovery learning models with the context of Riau culture to improve students' KPM and KPMM. The development model used the Borg and Gall model. The validity instrument was in the form of a validation sheet for the syllabus, lesson plans, and student worksheet. Practicality instrument was used in the form of student response questionnaire. The data collection technique was carried out by validating learning devices and distributing response questionnaires to students. The data analysis technique used the analysis of validity and analysis of practicality. The average validation of the syllabus was 3.7; RPP, namely 3.54; and LKPD namely 3.51 with each category very valid. The average student response questionnaire in the initial field trial was 88.57 with the very practical category. The learning tools developed have been valid and practical to improve students' KPM and KPMM.
Co-Authors Atma Murni Yenita Roza Zuhri D, Zuhri D