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Ulsan Fitriana
IKIP SIliwangi
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PENERAPAN PENDEKATAN PROBLEM BASED LEARNING TERHADAP PENINGKATAN KEMAMPUAN PENALARAN MATEMATIS SISWA SMA PADA MATERI PELUANG Ulsan Fitriana
Journal on Education Vol 1 No 2 (2019): Journal On Education
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v1i2.70

Abstract

This study aims to improve mathematical reasoning skills in senior high school students Problem based Learning approach to opportunity material. This type of research is classroom action research, which consists of two cycles where each cycle two meetings that go through the stages of planning, implementation, observation and reflection. Data collection techniques used are documentation, observation of teacher and student activities, interviews and tests of mathematical reasoning abilities at the end of each cycle. The subjects of this study were students of class XI - IPS in one of the high schools in Kabupaten Bandung Barat, amounting to 30 people. This research was conducted in odd semester 2018/2019 academic year. The results obtained by the average value of mathematical reasoning of students in the initial test (pretest) was 39.17, in the first cycle increased to 45.83, in the second cycle amounted to 61.00, and at the final test (posttest) of 72.00 . The percentage of completeness of mathematical reasoning of students in the first cycle was 20% and in the second cycle increased to 80%. Based on the results of the study it can be concluded that the Problem based Learning (PBL) approach can improve the mathematical reasoning of the XI-IPS students in one of the high schools in Kabupaten Bandung Barat.
KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP MELALUI PEMBERIAN PERLAKUAN PEMBELAJARAN Gugun Gunawan; Ulsan Fitriana; Kushendri Kushendri; Fatimah Fatimah; Chintya Zulvi Mustika; Wahyu Hidayat
Journal on Education Vol 1 No 3 (2019): Journal On Education, Vol 1, No 3, April, 2019
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.024 KB) | DOI: 10.31004/joe.v1i3.108

Abstract

This study aims to find out and examine the comparison of the results of tests of students' mathematical problem solving abilities in the comparison material. The type of research used was quasi-experimental (not randomized class) taken 2 classes namely class A and class B to study the ability to solve mathematical problems of students in one of the junior high schools in Kabupaten Bandung Barat. Class A is the class that gets the learning treatment and class B is the class that does not receive learning treatment before the problem solving ability test. The instrument used in this study was a test of mathematical problem solving abilities. The population in this study were class VII students and the samples in this study were classes VII-G and VII-H. Based on the results of the analysis of research data, the average value of class A is 79.84 and the average grade B value is 58.55. Problem solving analysis on indicator 1 can be said that students have been able to identify all known elements, asked questions and adequacy of elements, on indicator 2 students have been able to show strategies used to solve problems, on indicators of 3 students who have been able to do calculations and decision making. It can be concluded that the results of the test of problem solving ability of comparative material, the class given the treatment of learning is better than those not given the learning treatment
Co-Authors Chintya Zulvi Mustika Fatimah Fatimah Gugun Gunawan Kushendri Kushendri Wahyu Hidayat