Volume 15 N 2

Volume 15 N 2 Spring 2023

TR 46

Ivan Retamoso, Editor of MTRJ’s The Problem Corner

Borough of Manhattan CC of the City University of New York, USA

I am delighted to announce that our MTRJ e-journal is gaining global significance as time goes by. As evidence of this, the current issue features ten papers from diverse countries: Thailand, Philippines, India, Turkey, Colombia, Malaysia, Mexico, Nepal, South Africa, and Rwanda. It brings me great satisfaction to be part of a mission that aims to make mathematics accessible to all. I firmly believe that our world would greatly benefit from a deeper understanding of mathematics, often referred to as “the language of the universe.” Regarding the content of this spring issue of MTRJ, it begins with a focus on Teaching Practice in the Classroom context, exploring the Teaching Process, Learning Process, and Thinking Process. This particular study was conducted in Thailand. Next, we present a research paper from the Philippines that delves into online collaborative learning and its applicability in various scenarios of traditional learning, both quantitatively and qualitatively.

Continuing on, we showcase a paper written by a young contributor from India, Sameer Sharma. His research centers on the study of loops and spaces, presenting new findings and formulas. It is worth noting that his work was inspired by Professor James Tanton from Princeton University, specifically his intriguing project titled “A Math Mystery for Young Mathematicians.”

Moving forward, we present a study conducted in Turkey that aims to examine the effects of a course module designed to enhance the proof schemes of pre-service mathematics teachers. Additionally, we feature research evaluating the effectiveness of the online learning platform Brilliant.org in improving the academic performance of students from four public schools in Barranquilla, Colombia.

Continuing the journey through this issue, we delve into a qualitative study from Mexico that analyzes how fourth-grade elementary school students (ages 9 to 10) solve and interpret non-routine problems, focusing specifically on division measurement and division-partition with remainder.

Furthermore, we present a study on the effectiveness of teaching and learning mathematics online, focusing on teachers’ perspectives and the real-life situations they encounter in Nepal.

As we progress, we encounter a study that aims to examine teachers’ understanding of the importance of instructional time as a valuable teaching resource for developing learners’ relational understanding of mathematics in South Africa.

Lastly, we feature a study from Rwanda that explores the enhancement of learning limits of functions through the utilization of multiple representations.

As customary, this issue concludes with The Problem Corner section, presenting new collaborations from problem solvers as well as new challenges. I am confident that these engaging mathematical problem-solving activities will capture your attention and ignite your passion for mathematics.


Editorial by Ivan Retamoso

Mathematics Student-Teachers’ Views of Teaching Practice in Classroom Context

Chanika Senawongsa, Pimpaka Intaros, Ratchanee Karawad, Komkind Punpeng (Thailand) p.4

Online Collaborative Learning: Applicability in Comparison with Individual Learning and Face-to-face Collaborative Learning

Romyna Fortuna G. Mapile, Minie Rose C. Lapinid (Philippines) p.21

The Theory on Loops and Spaces – Part 2

Sameer Sharma (India) p.45

An Intervention Study for Improving Pre-service Mathematics Teachers’ Proof Schemes

Fikret Cihan, Hatice Akkoç (Turkey) p.56

Assessing the Impact of Brilliant.org on Enhancing Mathematics Academic Performance among High School Students in Colombia: A Quasi-Experimental Study

Mario de la Puente, Helen Perez (Colombia) p.82

Performance of Malaysian Foundation Level Students in Mathematical Problem Solving As Well As Gender Comparison

Hosseinali Gholami (Malaysia) p.104

Division problems with remainder: A study on strategies and interpretations with fourth grade Mexican students

Ever Pacheco-Muñoz, Stefany Nava-Lobato, José Antonio Juárez-López, Manuel Ponce de León-Palacios (Mexico) p.120

A Case Study on Effectiveness of Online Teaching and Learning Mathematics: Teacher’s Perspective

Rajendra Kunwar, Jagat Krishna Pokhrel, Baikuntha Khanal, Hari Prasad Sapkota (Nepal) p.143

Social Time as a Pedagogical Toll for Meaningful Mathematics Teaching and Deeper Learning

Mzamani Jully Mdaka, Maropeng Modiba, Mdutshekelwa Ndlovu (South Africa) p.165

Enhancing the learning of Limits of functions using multiple representations

Robert Wakhata, Sudi Balimuttajjo, Védaste Mutarutinya (Rwanda) p.182

The Problem Corner

Ivan Retamoso (USA) p.203

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