scholarly journals Pengembangan Perangkat Pembelajaran Aljabar Berbasis Problem Based Learning untuk Mendukung Kemampuan Komunikasi Matematika Siswa Sekolah Menengah Pertama

2020 ◽  
Vol 3 (1) ◽  
pp. 71
Author(s):  
Sri Winarni ◽  
Marlina Marlina
Keyword(s):  
High School Students ◽  
Junior High School ◽  
Research Method ◽  
Problem Based Learning ◽  
Field Testing ◽  
Junior High School Students ◽  
Development Research ◽  
Learning Tools ◽  
School Students ◽  
Communication Ability

The purpose of this research is to develop learning tools based for Algebra on Problem Based Learning (PBL) to support the mathematics communication ability of Junior High School students. Learning tools developed in this development research is students’ worksheets. The research method used is 4D model, which consists of 4 stages, namely define, design, develop, and disseminate. The results of worksheets’ validation by experts were 4,05 for the layout design and 4,19 for the content (both were categorized as valid). In addition, the students respons that the students’ worksheets were practical (with average of 3,94) and the teacher responses that these were very practical (with average of 4,23). Thus, based on the expert validation as well as the students and teacher of mathematics responses, the learning tools developed have already met the criteria of valid and practical and ready for the field testing to see its effectiveness on students’ mathematics communication ability.

scholarly journals Efektivitas perangkat pembelajaran menggunakan model Treffinger untuk meningkatkan kemampuan berpikir kreatif

At- Tarbawi ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 93-107
Author(s):  
Risa Handayani
Keyword(s):  
High School Students ◽  
Junior High School ◽  
Creative Thinking ◽  
Junior High School Students ◽  
Development Research ◽  
Learning Tools ◽  
School Students ◽  
Thinking Ability ◽  
Level 3 ◽  
Creative Thinking Ability

The availability of learning tools is one indicator the teacher has prepared a learning planproperly. However, existing learning tools have not triggered students' creative thinkingabilities. This study aims to produce learning tools by using the Treffinger learning model toimprove the mathematical creative thinking ability of junior high school students. This type ofresearch is development research. The results of this study indicate that the learning devicemeets the effective criteria. Effectiveness can be seen in the results of positive responses ofstudents namely 89.5% and the results of student learning tests on the indicator of fluencyreached 97.7%, flexibility reached 86.7%, and authenticity reached 23.5%, so the ability tothink creatively is at the level 3 (creative).

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