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All Journal JOURNAL OF KOMODO SCIENCE EDUCATION JOURNAL OF SONGKE MATH
Kurniawan, Yohanes
STKIP Santu Paulus Ruteng
Education Mathematics

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Journal : JOURNAL OF SONGKE MATH

 1 
RELASI ANTARA VISUALISASI SPASIAL DAN ORIENTASI SPASIAL TERHADAP PEMAHAMAN KONSEP GEOMETRI RUANG Jelatu, Silfanus; Mandur, Kanisius; Jundu, Ricardus; Kurniawan, Yohanes
JOURNAL OF SONGKE MATH Vol 1 No 1 (2018): June Edition
Publisher : STKIP Santu Paulus Ruteng

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Abstract

Geometry is one of the critical subjects of mathematics. It includes concepts as points, lines, planes, space and their relations. Representations of three-dimensional objects using two-dimensional diagrams bring the difficulties of identification of their properties. The subfactors of spatial ability were identified as the primary variables in the performances of students related to geometry subject. The purpose of this study is to investigate the relationship between spatial visualisation and spatial orientation to the students understanding of space geometry concepts matter of the eighth-grade students. There are 60 eighth grade students as a  sample of the study. The reliability and the validity studies of the tests were carried out In the first part of the study. In the second part, correlation and regression analyses were carried out. Significant correlations were found between each factor. For clarifying the relationships between more than one-factor multiple regression analyses were used. The results showed that the two predictor variables explained the 65,61 % of the variance in plane geometry test scores. However, a degree of contribution of each factor differed. The relative impact of spatial orientation ability (B=. 55) was higher than the spatial visualisation ability (B=. 28).
Pengaruh Pendekatan Contextual Teaching And Learning terhadap Kemampuan Koneksi Matematis Siswa Widonda, Maria Indrawati; Gunur, Bedilius; Kurniawan, Yohanes
JOURNAL OF SONGKE MATH Vol 1 No 2 (2018): December Edition
Publisher : STKIP Santu Paulus Ruteng

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Penelitian ini bertujuan untuk mengetahui kemampuan koneksi matematis peserta didik kelas VIII SMP Widya Bhakti Ruteng yang menggunakan pendekatan Contextual Teaching and Learning (CTL) dengan kemampuan koneksi matematis peserta didik yang menggunakan pendekatan konvensional. Penelitian ini merupakan penelitian eksperimen semu dengan desain penelitian posstest only control group design. Populasi dalam penelitian ini adalah seluruh peserta didik kelas VIII SMP Widya Bhakti Ruteng yang berjumlah 95 orang dan tersebar dalam 3 kelas. Data dikumpulkan dengan menggunakan instrument tes yang berbentuk uraian dan dianalisis dengan uji t. Berdasarkan hasil analisis data diperoleh nilai  yaitu  dengan taraf signifikasn 5%. Dapat diambil kesimpulan bahwa kemampuan koneksi matematis peserta didik yang diajarkan menggunakan pendekatan Contextual Teaching and Learning (CTl) lebih baik dibandingkan dengan kemampuan koneksi matematis peserta didik yang diajarkan menggunakan pendekatan Konvensional.
Co-Authors Adi, Nugroho Prasetya Asmi, Felisia Hilda Bedilius Gunur Jundu, Ricardus KANISIUS MANDUR . Silfanus Jelatu Tube, Bernardus Valeria Suryani Kurnila Widonda, Maria Indrawati