The Role of Using Expository Writing on the Mathematical Problem Solving Skills of the College of Teachers Students

1994 ◽  
Vol 7 (1) ◽  
pp. 153-170
Author(s):  
T. ALHARBI
2019 ◽  
Vol 10 (1) ◽  
pp. 47-57
Author(s):  
Indhira Asih Vivi Yandari ◽  
Supartini Supartini ◽  
Aan Subhan Pamungkas ◽  
Etika Khaerunnisa

The research aims to describe the role of habits of minds on the student’s mathematical problem solving skills. Habits of mind studied are persisting, metacognition, thinking flexibly, and applying past knowledge to a new situation. The method used in this research is quantitative correlational. Samples were taken as much as 49 fifth grade students at SDN Walantaka 1. Data collection techniques using HOM scale and essay tests. Based on data analysis results obtained average habits of mind score of 68.26 including into medium category and problem solving skills of 53.68 in low category. The results of the regression test on a significant level of α = 0.05 obtained a conclusion that there is a significant influence between habits of mind on the mathematical problem solving, with a contribution of 67.40%. Based on the findings, the habits of mind plays an important role in problem solving and teachers should be able to develop that aspect. 


2018 ◽  
Vol 1 (3) ◽  
pp. 312 ◽  
Author(s):  
Rubaitun Rubaitun

This study aims to determine whether the improvement of students' mathematical problem solving skills that get the learning of Model-Eliciting Activities is better than students who get regular learning. Method in this research is experiment and research design pretest and postest in experiment and control class. The population in this study were all students of MTs Kota Cimahi. School samples were taken at random, and obtained by MTs Negeri Kota Cimahi. Then the sample is selected two class VIII at random class. The experimental class uses Model-Eliciting Activities, while the control class uses ordinary learning. The hypothesis in this research is the improvement of student solving abilities of MTs students in Cimahi whose learning using Model-Eliciting Activities is better than using ordinary learning. Research data obtained through the instrument of posttest mathematical problem solving ability. The posttest data is processed by normality test, homogeneity test, and two average difference test using SPSS (Statistical Product and Service Solution) software version 16.0 for Windows. The results showed that the improvement of problem solving ability of MTs students in Cimahi whose learning using Model-Eliciting Activities was better than those using ordinary learning.


Author(s):  
Hani Rizkia Putri ◽  
Rooselyna Ekawati

This study aims to develop a mathematics handout based on local wisdom nuanced to increase the mathematical problem-solving skill of the Secondary students. This research is motivated by the student’s ability to solve the social arithmetic problem. This study used four phases of developmental research such as Investigation, Design, Realization, and Test, Evaluation, and Revision. The characteristics of local wisdom were acquired within the design or context in the mathematics handout to develop secondary students problem-solving skills. The results show that the students do the stages of problem-solving by Polya, get the maximum score and show students’ positive responses in the questionnaire given. Therefore, it met the proper handout criteria such as valid, practice, and effective. In the future studies, we encouraged to develop learning materials which have a guide to do phases of problem-solving and apply the way to solve some problems in mathematics.


Author(s):  
Puri Nur Aisyah ◽  
Anik Yuliani ◽  
Euis Eti Rohaeti

This study aims to describe the ability of communication and problem solving of mathematical students in the material quadrilateral and triangle in class VII in one district of MTs Bandung. This type of research is qualitative research with phenomenology model which aims to interpret communication ability and ability to solve the mathematical problem of students. The subjects of this study were 24 students for communication skills and 25 students for math problem-solving skills. The result of data analysis shows that the mathematical communication ability of grade VII students in one MTs in Kabupaten Bandung is still relatively low with the highest percentage being in the low communication ability qualification which is 37.5%, while for students who have ability is get percentage equal to 29,2% and for students with high communication skills get a percentage of 33.3%, while for problem-solving skills in class VII is quite good with the highest percentage in qualification students with high problem-solving ability with a percentage of 44%, while for qualified students who ability is getting percentage by 40%, and for low qualifications only got a percentage of 16%.. Keywords: mathematical communication ability, mathematical problem-solving ability


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