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Jurnal Tadris Matematika (JTMT)
Published by Universitas Islam Ahmad Dahlan
ISSN : 2745956X     EISSN : 27459551     DOI : https://doi.org/10.47435/jtmt.v4i02
Core Subject : Education,
Education Mathematics Other
The aim of this journal is to publish high quality research in mathematics education including teaching and learning, instruction, curriculum development, learning environments, teacher education, educational technology, educational developments, from many kinds of research such as survey, research and development, experimental research, classroom action research, etc.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 103 Documents
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Riemann Integral In Minicraft Village Area Calculation With Geogebra Fibri Rakhmawati; Muhammad Fahri Akmal; Nur Nabilah Yusuf Br Nasution
JTMT: Journal Tadris Matematika Vol 7 No 1 (2026): Volume 7, Issue 1, June 2026
Publisher : Universitas Islam Ahmad Dahlan (UIAD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47435/jtmt.v7i1.4470

Abstract

This study aims to model and estimate the area of a village in the game Minecraft through a Riemann-sum representation. The research employs a descriptive mathematical modeling approach focusing on a specific village area within the game environment. Spatial data were obtained by collecting the coordinates of boundary blocks, which were then mapped into a Cartesian coordinate system. The modeling and visualization process was carried out using GeoGebra to produce a two-dimensional representation of the analyzed region. The area calculation was performed through the summation of rectangular elements over partitioned intervals. Mathematically, for each fixed value of (y), the horizontal interval length is represented by (L(y)), while the area contribution at each partition is expressed as with ( ) representing the unit height of one block layer. The total area of the region is then approximated using the Riemann-sum formulation For each fixed value of (y), overlapping or adjacent (x)-intervals were first merged, and the interval lengths were multiplied by unit height to obtain the area contribution at each level. The resulting model produced an estimated village area of 232 square units ((m^2) equivalent). This study demonstrates how spatial data from block-based digital environments can be transformed into coordinate-based mathematical representations and analyzed systematically using mathematical modeling techniques. The findings also illustrate that discrete spatial structures in digital games can be interpreted through the concept of Riemann sums for area approximation. However, this study does not examine instructional effectiveness or student learning outcomes; therefore, any educational implications should be interpreted cautiously
The Effect of Interactive Wordwall Media on Improving Elementary School Students' Mathematical Numeracy Skills Fatmawati; Wahid Hasim
JTMT: Journal Tadris Matematika Vol 7 No 1 (2026): Volume 7, Issue 1, June 2026
Publisher : Universitas Islam Ahmad Dahlan (UIAD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47435/jtmt.v7i1.4490

Abstract

This study aimed to analyze the effect of interactive Wordwall media on improving elementary school students’ mathematical numeracy skills. The research employed a quantitative approach using a pre-experimental one-group pretest–posttest design. The participants were 20 third-grade students at SDN 02 Jatisari, consisting of 11 female students and 9 male students. Data were collected through a numeracy test consisting of five essay questions on multiplication material. The instrument was validated using the Product Moment correlation test and demonstrated acceptable reliability with a Cronbach’s Alpha coefficient of 0.656. Data were analyzed using descriptive statistics, the Shapiro–Wilk normality test, N-Gain analysis, effect size analysis, and the Paired Sample t-test with the assistance of SPSS version 25. The results showed that students’ mean numeracy score increased from 58.40 on the pretest to 83.15 on the posttest. The N-Gain score was 0.60, indicating a moderate level of improvement, while the effect size analysis yielded a Cohen’s d value of 1.91, indicating a large effect. The Paired Sample t-test also revealed a statistically significant difference between pretest and posttest scores (p < 0.05). The findings demonstrate that interactive Wordwall media is effective in improving elementary school students’ mathematical numeracy skills and can serve as an innovative digital learning tool to support engaging mathematics instruction.
Geometric Patterns in the Hena Puan Traditional House as a Context for Ethnomathematics Based Mathematics Learning Asria Ratau; Arien Sayang
JTMT: Journal Tadris Matematika Vol 7 No 1 (2026): Volume 7, Issue 1, June 2026
Publisher : Universitas Islam Ahmad Dahlan (UIAD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47435/jtmt.v7i1.4497

Abstract

This study aims to examine the geometric concepts embedded in the Baeleo Hena Puan traditional house as a context for ethnomathematics-based mathematics learning. The research employs a qualitative approach with an exploratory descriptive method through visual analysis of the architectural structures of the traditional house. The results of the analysis indicate that the Baeleo Hena Puan traditional house incorporates various geometric concepts, including two-dimensional shapes such as rectangles, triangles, and trapezoids, as well as three-dimensional solids in the form of rectangular prisms and triangular prisms. In addition, patterns of repetition and reflectional symmetry were identified in the arrangement of columns and building openings. From the perspective of D’Ambrosio’s ethnomathematics, these findings represent mathematical activities that have developed within the cultural practices of the local community. The integration of traditional architecture as a context for mathematics learning has the potential to bridge formal mathematics with students’ cultural experiences, thereby supporting meaningful, contextual, and culturally inclusive learning. This study recommends the use of the Baeleo Hena Puan traditional house as a contextual learning resource in geometry instruction at schools

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