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Noumerico: Journal of Technology in Mathematics Education
Published by Universitas Islam Tribakti Lirboyo Kediri
ISSN : -     EISSN : 29868041     DOI : https://doi.org/10.33367/jtme.v1i2
Core Subject : Science, Education, Social,
Computer Science & IT Education Mathematics Social Sciences
The aim of this Journal is to promote a principled approach to research on technology in mathematics education and related concerns by encouraging enquiry into relationship between theoretical and practical studies. The journal welcomes contributions in such areas of current analysis in: 1. Use of technology in teaching and learning mathematics 2. Innovation learning models in mathematics education 3. Innovation learning strategies and methods in Mathematics education 4. Innovation learning media in Mathematics education 5. Innovation of Classroom action research Focus-Journal Noumerico: Journal of Technology in Mathematics Education is a scientific journal that focuses on mathematics education. It publishes articles based on empirical studies using quantitative or qualitative approaches or a combination of the two. Scope-Journal Noumerico: Journal of Technology in Mathematics Education calls for scientific articles on use of technology in teaching and learning mathematics, innovation learning models in mathematics education, innovation learning strategies and methods in Mathematics education, innovation learning media in Mathematics education, and innovation of Classroom action research
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 39 Documents
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Analysis of Students’ Abilities in Solving Numeracy Literacy Problems in Mathematics Learning at the Junior High School/ MTS Muhammadiyah in Sorong Regency Astripin Jeane Surupanggil; Surya Putra Raharja; Suhartini Sumadi
Noumerico: Journal of Technology in Mathematics Education Vol. 3 No. 2 (2025): Noumerico, September 2025
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v3i2.6531

Abstract

Numeracy literacy is the ability to understand, reason, and apply basic mathematical concepts in everyday life. The relationship between numeracy and mathematics is that numeracy requires mathematical knowledge learned in the curriculum; however, mathematics learning does not necessarily develop students' numeracy skills. An indicator of educational achievement across countries that Indonesia participates in is the Programme for International Student Assessment (PISA) score, where Indonesia ranks 63rd out of 81 countries in mathematics. This study aims to describe students' abilities in solving numeracy literacy problems in mathematics learning at the junior high school (MTS) Muhammadiyah in Sorong Regency. The research was conducted at SMP UNIMUDA Pulau Arar, SMP Muhammadiyah 2 Mariyai, and SMP Muhammadiyah Aimas. The type of research is qualitative descriptive. The results show that out of 44 students who completed the questions, five students fell into the high category, 31 students into the medium category, and eight students into the low category. Student responses varied for each answer in meeting the indicators of numeracy literacy ability
Analysis of Gender and School Origin Factors as Determinants of Students' Mathematics Learning Outcomes Al Ayyubi, Ibnu Imam; Prayetno, Eko; Nurhikmah; Elysa, Ratianarimamy Niriko; Fauziah, Sifa
Noumerico: Journal of Technology in Mathematics Education Vol. 3 No. 2 (2025): Noumerico, September 2025
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v3i2.6701

Abstract

This study aims to investigate the impact of gender and school origin on mathematics learning outcomes. Specifically, the study will analyze whether there are significant differences in mathematical ability between male and female students, and evaluate whether learning outcomes differ between students from public and private schools. The research was conducted at three different schools: MI Muslimin Bojongranca, MI Muslimin Cipongkor 1, and SDN Pasir Banteng in West Bandung Regency, specifically in grade V. A quantitative approach with an Ex Post Facto method was applied, and the data were analyzed using descriptive and inferential statistics. The results indicate that school origin significantly affects students’ mathematics learning outcomes, with students from MI Muslimin Cipongkor 1 achieving higher average scores compared to those from MI Muslimin Bojongranca. Meanwhile, no significant differences were found between male and female students. The analysis was continued using non-parametric tests. This study recommends that schools enhance the quality of teaching and learning facilities to improve students’ outcomes, and future research may explore other factors influencing mathematics achievement.
Ethnomathematics of Apem Cake: Integrating Local Culture into Junior High School Mathematics Learning Uday, Muhammad Ali; Handayani, Ucik Fitri
Noumerico: Journal of Technology in Mathematics Education Vol. 3 No. 2 (2025): Noumerico, September 2025
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v3i2.6861

Abstract

Learning mathematics at the junior high school level is often considered difficult and uninteresting because the material rarely relates to everyday life. This study explores the concept of ethnomathematics in traditional apem cakes as a source of contextualised teaching materials in mathematics. A descriptive, qualitative method was employed, utilizing observation, documentation, and interviews with two informants who were knowledgeable about the history and preparation of apem cakes to collect data. The results showed that apem cakes have geometric shapes, such as circles and cones, which can be used to teach geometric concepts, including area, circumference, and volume, as well as calculations and ingredient comparisons. Additionally, the cultural significance of apem cakes can enrich the learning experience and boost student engagement. The study concludes that apem cakes have the potential to serve as a meaningful and contextual learning medium. Practically, teachers can design lesson plans utilising apem cake-based calculation examples to make learning more active and relevant for students. However, this study is limited to two informants and has not yet been tested in the classroom, so the results remain descriptive. Further research is recommended to develop student worksheets based on apem cakes and test their effectiveness with junior high school students.
Effectiveness of Quizizz in Enhancing Cognitive Competence in Mathematics at Islamic Elementary Schools Rahmawati, Elya; Khoiruddin, M Arif
Noumerico: Journal of Technology in Mathematics Education Vol. 3 No. 2 (2025): Noumerico, September 2025
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v3i2.7454

Abstract

This study investigates the effectiveness of Quizizz as a gamified learning platform in enhancing students’ cognitive competence in mathematics at an Islamic elementary school (Madrasah Ibtidaiyah). The study focuses on cognitive development, an area that is often underexplored in primary Islamic education. A quasi-experimental one-group pretest-posttest design was used, involving 20 fifth-grade students at MI Tarbiyatul Khoiriyah Kediri. Cognitive achievement was measured using a test aligned with Bloom’s revised taxonomy. The findings revealed a significant improvement in students’ cognitive competence, especially at the applying and analyzing levels. Quizizz supported active learning by engaging students in interactive, feedback-rich activities. Despite these positive outcomes, the study is limited by its small sample size, single-school setting, and short intervention period. Future research should include control groups and a larger population to validate and extend these results. Practically, the findings suggest that Quizizz can be systematically integrated into mathematics instruction at the Islamic elementary level to support structured cognitive development in an engaging and student-centered way.
S M Nazmuz Sakib's Theorem of Symmetric Perpendicular Bisectors in Isosceles Triangles Prof. Engr. Dr. S M Nazmuz Sakib
Noumerico: Journal of Technology in Mathematics Education Vol. 3 No. 2 (2025): Noumerico, September 2025
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v3i2.7785

Abstract

This paper introduces a new geometric theorem focused on isosceles triangles, specifically examining the properties of perpendicular bisectors. The theorem asserts that in an isosceles triangle, where two sides are equal, the perpendicular bisectors of these sides intersect at a point such that the sum of the lengths of the segments on one bisector is equal to the sum of the lengths of the segments on the other bisector. The theorem is validated through a quantitative research methodology involving geometric constructions, where perpendicular bisectors are drawn for selected isosceles triangles. Mathematical calculations are employed to measure the lengths of the segments formed by the intersection of the bisectors. These segment lengths are then compared and analyzed across various configurations of isosceles triangles, including triangles with different orientations and base lengths. Case studies are conducted to test the theorem under different geometric conditions, ensuring the results are consistent. The methodology is further supported by mathematical proofs, which are derived to formally validate the relationship between the segment sums on each perpendicular bisector. This discovery provides a novel insight into the symmetry of isosceles triangles and contributes to the broader understanding of geometric properties in symmetrical shapes.
Digital Technology in Strengthening Mathematical Concepts in Early Childhood: A Systematic Literature Review Kamiliyah, Zahirotul; Roizatul Faruk; Minnatin Charizah
Noumerico: Journal of Technology in Mathematics Education Vol. 3 No. 2 (2025): Noumerico, September 2025
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v3i2.7929

Abstract

The development of digital learning media has grown rapidly over the past decade; however, socioeconomic background has a strong influence on its use. Due to the vast diversity of users, there is no effective map. This study provides a literature review (SLR) on the use of digital technology in mathematics learning for early childhood through an analysis of 16 recent studies (studies that meet the exclusion and inclusion criteria in the PICOS framework). This paper attempts to bridge the gap between digital technology advancements and meaningful mathematics education practices. The conclusion is that game-based educational applications and interactive tools have become a primary approach proven effective in improving the understanding of basic mathematical concepts. However, behind this great potential, real challenges are found in their implementation - from the limitations of long-term studies to disparities in access across socioeconomic backgrounds. This study also highlights the need for synergy between technological innovation and appropriate pedagogical approaches. For educators, these findings provide practical guidance on selecting and implementing learning technologies, while for researchers, several critical areas are identified that require further exploration.
S M Nazmuz Sakib's Formula for Adaptive Compositionality in Categories: A Context-Sensitive Approach to Functorial Composition Prof. Engr. Dr. S M Nazmuz Sakib
Noumerico: Journal of Technology in Mathematics Education Vol. 4 No. 1 (2026): Noumerico, March 2026
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v4i1.7795

Abstract

This paper studies S. M. Nazmuz Sakib’s Formula for Adaptive Compositionality in Categories as a context-sensitive extension of functorial composition. The main objective is to examine how a contextual factor can modify the composition of morphisms while preserving the fundamental categorical properties of associativity and identity. The research is conducted using a theoretical mathematics approach based on formal definition, structural analysis, and proof-oriented verification within category theory. The results show that the proposed contextual factor must satisfy the coherence conditions for the modified composition to remain mathematically consistent. In particular, the analysis indicates that identity preservation requires normalization conditions, while associativity requires compatibility across triples of composable morphisms. These findings clarify the mathematical conditions under which the formula can be treated as a valid categorical framework and provide a basis for further applications in topology, algebra, and dynamical systems
A Hybrid PBL-IGL Approach to Improving Algebraic Thinking and Self-Efficacy of High School Students Annisa Eka Pratiwi, Annisa; Zainullah Zuhri
Noumerico: Journal of Technology in Mathematics Education Vol. 4 No. 1 (2026): Noumerico, March 2026
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v4i1.8042

Abstract

Algebraic thinking ability and self-efficacy are essential components in mathematics learning; however, many students still experience difficulties in both cognitive and affective aspects. Therefore, an instructional approach that integrates these two domains is needed. This study aims to examine the effectiveness of a hybrid Problem-Based Learning (PBL) model combined with an Individual Group Learning (IGL) strategy in improving students' algebraic thinking ability and self-efficacy. This study employed a quantitative approach using a one-group pretest–posttest design. The participants were 15 tenth-grade students of SMA Syarif Hidayatullah Grati in the 2024/2025 academic year. Data were collected through algebraic thinking tests and self-efficacy questionnaires and analyzed using paired-sample t-tests, N-Gain, and effect size (Cohen's d). The results showed a significant improvement in both variables (p < 0.001). The mean score of algebraic thinking increased from 65.40 to 86.10, with an N-Gain of 0.59 (moderate category) and a large effect size (d = 1.20). Similarly, students’ self-efficacy improved from 66.80 to 86.53, with an N-Gain of 0.60 (moderate) and a large effect size (d = 1.25). The greatest improvement in algebraic thinking was observed in modeling and solving contextual problems, indicating PBL's effectiveness in promoting higher-order thinking. These findings indicate that the PBL-IGL hybrid approach is effective in enhancing both cognitive and affective learning outcomes. The novelty of this study lies in integrating individual and collaborative learning within a problem-based framework, while simultaneously focusing on algebraic thinking and self-efficacy. This study contributes to mathematics education by providing empirical evidence that a balanced instructional design can improve students' understanding and confidence in learning mathematics.
Clifford's Algebraic Approach in Determining the Direction of Qibla Muhamad Imam Mutamaqin; Muhamad Safa’udin
Noumerico: Journal of Technology in Mathematics Education Vol. 4 No. 1 (2026): Noumerico, March 2026
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/jtme.v4i1.8810

Abstract

While classical methods and hisab methods based on spherical trigonometry and vector algebra are commonly used, this article introduces a more elegant, purely geometric alternative using Clifford Algebra (within the framework of Geometric Algebra). This method uses unit vectors in three-dimensional space to represent the positions of the observer and the Kaaba, then projects these vectors onto the local horizontal plane using geometric operations such as the dot product and the outer product. The results of the Qibla direction calculations for five major cities in Indonesia—Jakarta, Surabaya, Medan, Bandung, and Makassar—when compared with the spherical trigonometry and vector algebra methods, show high consistency, with a maximum difference of less than 0°. Further validation using data from the Qibla Locator also confirms the method's accuracy. Clifford Algebra has proven to be an accurate, intuitive, and computationally efficient approach, with great potential for applications in digital navigation systems, augmented reality, and science education. Thus, this method offers a powerful modern alternative for determining the direction of the Qibla through hisab

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