The Development of Local Culture Based Teaching Materials with Constructivism Approach to Improve the Thinking Ability and Mathematics Disposition of Student

Sri Rahma Yani Harahap (Postgraduate Program in State University of Medan, Indonesia)
Izwita Dewi (State University of Medan, Indonesia)
Mulyono Mulyono (State University of Medan, Indonesia)

Budapest International Research and Critics in Linguistics and Education Journal (Birle Journal)
Vol 3, No 4 (2020): Budapest International Research and Critics in Linguistics and Education, Novemb

This research is a development research conducted at SMP N 2 Panyabungan which aims to find out how; 1) the level of validity, effectiveness and practicality of teaching materials developed in improving students' mathematical reasoning abilities and dispositions; 2} Increasing students' mathematical reasoning skills and dispositions in the application of local culture-based teaching materials with a constructivism approach. This research produces teaching materials based on local culture with a constructivism approach that is carried out according to the Dick & Carey development model procedure. The results of this study are the local culture-based teaching materials developed are; 1) valid, both this validity and construct, 2) effective, seen from the completeness of learning and student activities; 3) practical, seen from the validator's assessment and students' positive responses to the teaching materials developed; 4) to increase students' mathematical reasoning abilities in the application of teaching materials based on local culture, namely 0.19; 5) the improvement of students' mathematical disposition abilities in the development of teaching materials, namely 0.43.