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Rosalina Rolina
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Education Mathematics Other

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Talk and Write your mathematical Thinking Gilang Kian Ishaya; Rosalina Rolina; Desy Tri Damayanti
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 1, No 3 (2018): VOLUME 1 NUMBER 3, SEPTEMBER 2018
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (250.727 KB) | DOI: 10.22460/jiml.v1i3.p279-282

Abstract

This research is motivated by the low mathematical communication skills of junior high school students in the city of Bandung Regency. This study aims to determine the comparison of the mathematical communication skills of junior high school students in the city of Bandung regency between the learning usingmodels Think Talk Write. The method used in this study is a quasi-experimental method with a pretest-posttest control group design involving two groups and randomly selected classes, at the beginning and end of the study the two classes were given a test. The population in this study were junior high school students in the city of Bandung Regency, while the sample consisted of two randomly selected classes. Obtained class VII A (experimental class) given themodel Think Talk Write and class VII B (control class) is given a scientific approach. The instrument used was a 5-item mathematical communication ability description test, then theability scores mathematical communication students'were analyzed with descriptive and inferential statistics using the help of SPSS 21 software. Based on the results of the study, it was concluded that there were differences in the achievement of students' mathematical communication skills using models Think Talk Write with students who used a scientific approach. 
Problem Solving Ability and Problem Based Learning Derry Nugraha; Heri Ginanjar; Rosalina Rolina
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 1, No 3 (2018): VOLUME 1 NUMBER 3, SEPTEMBER 2018
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (266.4 KB) | DOI: 10.22460/jiml.v1i3.p239-243

Abstract

The research was caused by the poor of mathematical problem solving ability of students. This research aimed to compare of mathematical problem solving between students who learned through problem based learning and scientific approach. The method was an experimental method with a pretest-posttest control group design involving two groups and random sampling. At the first and end of learning, the two classes are given a test. The population in this research were Madrasah Aliyah students in Cimahi, while the sample consisted of two randomly selected classes. One class  which was given problem based learning and other class was given a scientific approach. The instrument was a set of  5-item mathematical problem solving test description, then those were analyzed with descriptive and inferential statistics using the help of minitab 17 software. Based on the results of the research, the conclusion was  the improvement of  mathematical problem solving  of students using problem based learning was better than students who use a scientific approach. 
Enhance Mathematical Understanding By Discovery Learning Rita Syara; Ujang Cahya Setia; Rosalina Rolina
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 1, No 3 (2018): VOLUME 1 NUMBER 3, SEPTEMBER 2018
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.836 KB) | DOI: 10.22460/jiml.v1i3.p318-321

Abstract

This research is motivated by the low ability of understanding vocational students. This study will examine the improvement of students' mathematical understanding ability using discovery learning with the usual approach. The method used is the experimental method with the design of pretest-posttest control groups, namely designs that involve at least two groups and random sampling of classes. At the beginning and end of the study both classes are given a test. The population in this sample are all vocational high school students whose characteristics have low mathematical comprehension ability. Of all vocational schools randomly selected and selected Cimahi IT Development Vocational Schools representing the characteristics of the population. The sample was chosen randomly, where class XI RPL C became the experimental class, and class XI TEI B became the control class. Collecting data in this study using a description test that has been tested beforehand, then the scores of students' mathematical comprehension ability were analyzed with descriptive and inferential statistics using two average difference tests. Based on the results of the study, both data analysis and hypothesis testing, with α = 0.05, it was found that the improvement of students' mathematical understanding ability using discovery learning was better than students who used the usual approach, as well as the achievement of better understanding abilities. Keywords:  understanding, discovery learning.
REACH MATHEMATICAL CONNECTION ABILITY BY PROBLEM POSING APPROACH nurlissolihah nurlissolihah; Indri Lastriyani; Rosalina Rolina
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 1, No 3 (2018): VOLUME 1 NUMBER 3, SEPTEMBER 2018
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.49 KB) | DOI: 10.22460/jiml.v1i3.p244-247

Abstract

This study aims to examine the mathematical connection ability of students between the learning using problem posing and the scientific approach. The method used in this study is an experimental method with a pretest-posttest control group design involving two groups and random sampling is taken at the beginning, at the beginning and end of learning the two classes are given a test. The population in this study were junior high school students in Bandung, while the sample consisted of two classes chosen randomly. One class is givenlearning problem posing and the other class is given a scientific approach. The instrument used is a set of 5 test questions describing mathematical connection ability, then the score data is analyzed with descriptive and inferential statistics using SPSS Statistics 21. Based on the results of the study, it was concluded that the achievementabilities of students' mathematical connectionbetween learning using problem posing was better than students who used a scientific approach. 
Co-Authors Desy Tri Damayanti Gilang Kian Ishaya Heri Ginanjar Indri Lastriyani Nugraha, Derry nurlissolihah nurlissolihah Rita Syara Ujang Cahya Setia