scholarly journals Using of divergent problems based on teacher scaffolding levels to grow of advanced mathematical thinking of senior high school students

2020 ◽  
Vol 1567 ◽  
pp. 022093
Author(s):  
E Pujiastuti ◽  
A Suyitno ◽  
Sugiman
2021 ◽  
Vol 1 (02) ◽  
pp. 134-144
Author(s):  
Ahmad Nasrullah Ahmad Nasrullah

This study aims to describe the effectiveness of problem posing approach in term of mathematical thinking skill of senior high school students. This study was a quasi-experimental study using the nonequivalent pretest and posttest group design. The population was year X students of State Senior High School 1 of Sakra Lombok Timur that consisted of six classes. The sample was two classes selected randomly from all Year X classes; class X-5 received a treatment of problem posing approach and class X-6 received as a control class. The instrument used is a test to measure mathematical thinking skill. To find out the effectiveness of problem posing approaches in the mathematical thinking skill, the data were analyzed using One Sample Test. The result of the study states that problem posing approach is effective in terms of the mathematical thinking skill of Senior High School Students.


Author(s):  
Anggi Yulihar And Nora Ronita Dewi

The study deals with the developing interactive media for senior high school students. The objective of this study is to find out how to develop interactive media for better speaking skill of senior high school students. The research was conducted by using Research and Development (R&D). The subject of this research was 2016/2017 students of the eleventh grade of Class XI IPA4 in SMAN 1 Batang Kuis. The number of the students was 30 students. The data of this study was collected by using need analysis questionnaire and experts’ judgment. Need analysis questionnaire was calculated by using percentage to get the information of students’ need before developing interactive media. Experts’ judgment was calculated by using likert data, mean and criteria interval of expert judgment to know the validity of interactive media which has been developed. After the data analyzed, it was found that the experts’ judgment result was 4.80 which had a very good criteria interval. The result of the research find that interactive media is a very good to be used in teaching speaking skill.


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