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Marhami, Marhami
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Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Improving Students’ Critical Mathematical Thinking Skills Through SAVI Approach on Number Theory Lectures At Mathematics Education Department of Malikussaleh University Marhami, Marhami; Rohantizani, Rohantizani; Nuraina, Nuraina
International Journal for Educational and Vocational Studies Vol 2, No 1 (2020): January 2020
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v2i1.2020

Abstract

The research aimed to see whether SAVI learning approach is better than a normal class in improving students’ critical mathematical thinking skills due to number theory lectures of mathematics. This research used a quantitative research approach with experimental method in the form of quasi-experiment. The population of this research was all the fourth semester of mathematics department students of Malikussaleh University. The sampling used was a purposive sampling that consisted of students in class A1 and A2. The research design used a non –equivalent control group design. The instrument used in this research was a set of questionnaire of critical thinking that had been validated by several validators. Then, the analysis of the improvement score of students’ critical mathematical skills used a normalized gain data which shows the improvement of students’ score classification compared to the ideal maximum score. However, the n-gain score data of students’ critical mathematical skills of control class was not normally distributed. so a non-parametric test was conducted, namely the Mann Whitney U Test. Form Test results, the Asymp. Sig. (1-tailed) value was obtined around 0.008 < α = 0,05. This shows that H0 is rejected.Hence, it means that the improvement of students’ critical mathematical skills of experimental class is significantly better than a control class. Thus, it is also proven by the hypothesis that applying SAVI approach in learning is better than a normal class without any treatment in improving students’ critical mathematical thinking skills.
Improving Students' Mathematical Critical Thinking Abilities Through the Problem Solving Method on the Sequences and Series Course Dahliana, Dahliana; Marhami, Marhami; Mursalin, Mursalin
International Journal for Educational and Vocational Studies Vol 1, No 7 (2019): November 2019
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v1i7.2571

Abstract

This study aims to determine the improvement of students' mathematical critical thinking abilities through problem solving methods. This study was hold at MAN 3 Bireuen (High School Level) in the 2019/2020 school’s year. The research method was a quasi-experimental study design nonrandomized Pre-test Post-test Control Group Design. The population of the study were all students of Class XI MAN 3 Bireuen with purposive sampling technique. The study sample was to 30 students for the experimental class and 28 students for the control class. The skill increasing was calculated using normalized gain. Data were analyzed using the t test. The results showed that students’ critical thinking skills mathematically taught through problem solving methods is better than students mathematical critical thinking skills taught through conventional learning.
The Effect of Video Conference Assisted Online Learning on Students' Mathematical Problem Solving Ability during the Covid-19 Pandemic Marhami, Marhami; Fonna, Mutia; Mursalin, Mursalin; Nuraina, Nuraina
International Journal for Educational and Vocational Studies Vol 2, No 11 (2020): November 2020
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v2i11.3317

Abstract

This study aims to determine whether online learning assisted with video conferencing affects students' mathematical problem solving abilities during the Covid-19 pandemic. This research is a quasi experimental research type with a quantitative approach and a nonequivalent control group design. The population in this study were all students of mathematics education at the University of Malikussaleh semester III and the sample consisted of two classes, namely the experimental class and the control class. Data collection techniques are tests of mathematical problem solving abilities that have been tested and analyzed. The data analysis technique used is using the t test with terms of normality and homogeneity. The result of the research obtained is that there is an effect of online learning assisted by video conferencing on students' mathematical problem solving abilities during the Covid-19 pandemic.
The Implementation of Realistic Mathematics Education Approach to Improve Students' Mathematical Communication Ability in Statistics Course Paroqi, Lois Lamya; Mursalin, Mursalin; Marhami, Marhami
International Journal for Educational and Vocational Studies Vol 2, No 10 (2020): October 2020
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v2i10.3311

Abstract

The purpose of this study is to analize the improving of mathematical communication skills’s students, the learning acktivities of student and student’s response at Realistic Mathematics (RME) learning.  The research is held at MTs.S Syamsudduha in 2018-2019 years, which using quasi experiment with a quantitative approach. This study used two samples, they are experiment’s class as treatment class consists of 34 students and control’s class which  not give the treatment consists of 36 students which the sample was taken in this research used the technique sampling purposive. This data was obtained with test technique and observation sheet. Data is analyzed with t test using SPSS 18, the result show that there is an increasing of mathematical communication skills of student on statistical study with the Realistic Mathematics Education (RME) learning. This shows that value of n-gain on student’s mathematical communication skill for experiment’s class is 0,49 and control’s class is 0,17 with significant 0,000 < 0,05, thats mean there is an increasing in the learning process. So, RME learning can improve student’s mathematical communication skills of  students better than students who is taught by conventional learning.
The improving mathematical reasoning ability of Junior High School Students using the Constructivism Approach assisted by animation videos Wildayani, Wildayani; Marhami, Marhami; Mursalin, Mursalin; Saputra, Eri; Wulandari, Wulandari
International Journal for Educational and Vocational Studies Vol 3, No 5 (2021)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v3i5.5975

Abstract

The purpose of this study was to determine the increase in mathematical reasoning abilities of junior high school students using a constructivism approach assisted by animated videos on the comparison material of class VII MTsS Jabal Nur. The approach used in this research is a quantitative research approach with a quasi-experimental type of approach. The population in this study were all students of class VII consisting of 10 classes and the sample used was class VII-5 as the experimental class as many as 25 students and class VII-6 as the control class as many as 26 students. The experimental class students were taught using a constructivism approach assisted by animated videos, while the control class was taught using a scientific approach. The data was collected by giving a pretest-posttest and the data were analyzed using the t-test and obtained a result of 0.00. In accordance with the test criteria, the value in the sig column < 0.05 then is rejected. From the statistical significance of the t-test is 0.00 less than 0.05. Then is rejected, H_a is accepted. The results of the analysis of student responses to constructivism approach learning assisted by animated videos show that the overall average is in the very good category. This shows students that using a constructivism approach assisted by animated videos gets a positive response from students. The learning process using this approach can improve students ‘abilities in learning mathematics and can increase students’ desire to learn and student activity.
Co-Authors Dahliana Dahliana Eri Saputra Mutia Fonna Nuraina, Nuraina Paroqi, Lois Lamya Rohantizani, Rohantizani Wildayani, Wildayani Wulandari Wulandari Yundari, Yundari