Sexy maths

I have already written about this year’s Abel Prize winner, Mikhail Gromov in earlier posts, but an article by Marcus du Sautoy in Times Online motivated an addition to the earlier posts. The article is called “Sexy maths: Drawing parallels in geometry”. In this article, du Sautoy claims that Gromov has made

(…) some of the most revolutionary contributtions to geometry since those of Euclid.

The article gives an interesting insight into some of the most important aspects of the historical development of geometry, with Euclid’s parallel postulate as a pivotal point. An excellent article by du Sautoy, who is a mathematician himself.

Solutions of linear equations

D.G. Mallet and S.W. McCue have written an article called Constructive development of the solutions of linear equations in introductory ordinary differential equations. The article has been published online in International Journal of Mathematical Education in Science and Technology. Here is the abstract of their article:

The solution of linear ordinary differential equations (ODEs) is commonly taught in first-year undergraduate mathematics classrooms, but the understanding of the concept of a solution is not always grasped by students until much later. Recognizing what it is to be a solution of a linear ODE and how to postulate such solutions, without resorting to tables of solutions, is an important skill for students to carry with them to advanced courses in mathematics. In this study, we describe a teaching and learning strategy that replaces the traditional algorithmic, transmission presentation style for solving ODEs with a constructive, discovery-based approach where students employ their existing skills as a framework for constructing the solutions of first and second-order linear ODEs. We elaborate on how the strategy was implemented and discuss the resulting impact on a first-year undergraduate class. Finally, we propose further improvements to the strategy as well as suggesting other topics which could be taught in a similar manner.

Supervision of teachers

Göta Eriksson has written an article that was recently published online in The Journal of Mathematical Behavior. The article is entitled Supervision of teachers based on adjusted arithmetic learning in special education. Here is the abstract:

This article reports on 20 children’s learning in arithmetic after teaching was adjusted to their conceptual development. The report covers periods from three months up to three terms in an ongoing intervention study of teachers and children in schools for the intellectually disabled and of remedial teaching in regular schools. The researcher classified each child’s current counting scheme before and after each term. Recurrent supervision, aiming to facilitate the teachers’ modelling of their children’s various conceptual levels and needs of learning, was conducted by the researcher. The teaching content in harmony with each child’s ability was discussed with the teachers. This approach gives the teachers the opportunity to experience the children’s own operational ways of solving problems. At the supervision meetings, the teachers theorized their practice together with the researcher, ending up with consistent models of the arithmetic of the child. So far, the children’s and the teachers’ learning patterns are promising.

6 out of 10 university students have math anxiety

I learned about this through Deb Russel’s blog over at About.com. A Spanish study reveals that:

Six out of every 10 university students, regardless their field of study, present symptoms of anxiety when it comes to dealing with mathematics

Some details about the study reveals that:

The researchers assessed the students using the Fennema-Sherman Mathematics Attitudes Scales, a questionnaire validated by experts from all over the world which has been used since the 70s. The students took the questionnaire at the beginning of the second four-month period of school.

These are interesting results. Math anxiety should definitely be taken seriously, and a person’s attitudes towards mathematics are important, regardless if they are related to anxiety or not. I have done a much more informal study of my own students in early childhood education over the last couple of years, and almost half of them find mathematics boring and/or difficult. If some of them even have math anxiety, I think this will strongly impact their work as future teachers, kindergarten teachers or whatever they will end up doing!


Effect of personalization

Mojeed K. Akinsola and Adeneye O.A. Awofala have written an article about the Effect of personalization of instruction on students’ achievement and self-efficacy in mathematics word problems. This article was published in the last issue of International Journal of Mathematical Education in Science and Technology. Here is their abstract:

This study investigated the effect of personalized print-based instruction on the achievement and self-efficacy regarding mathematics word problems of 320 senior secondary students in Nigeria. The moderator effect of gender was also examined on independent variable (personalization) and dependent variables (mathematics word problem achievement and self-efficacy). The t-test statistic was used to analyse the data collected for the study. The results showed that significant differences existed in the mathematics word problem achievement and self-efficacy beliefs of personalized and non-personalized groups, male and female personalized groups and male and female non-personalized groups.

The problem of the pyramid

Paul M.E. Shutler has written an article called The problem of the pyramid or Egyptian mathematics from a postmodern perspective. The article was published in the latest issue of International Journal of Mathematical Education in Science and Technology. Here is the abstract of Shutler’s article:

We consider Egyptian mathematics from a postmodern perspective, by which we mean suspending judgement as to strict correctness in order to appreciate the genuine mathematical insights which they did have in the context in which they were working. In particular we show that the skill which the Egyptians possessed of obtaining the general case from a specific numerical example suggests a complete solution to the well-known, but hitherto not completely resolved, question of how the volume of the truncated pyramid given in Problem 14 of the Moscow papyrus was derived. We also point out some details in Problem 48 of the Rhind papyrus, on the area of the circle, which have previously gone unnoticed. Finally, since many of their mathematical insights have long been forgotten, and fall within the modern school syllabus, we draw some important lessons for contemporary mathematics education.

Students discovering spherical geometry

Bulent Guven and Ilhan Karatas have written an article called Students discovering spherical geometry using dynamic geometry software. The article was published in the last issue of International Journal of Mathematical Education in Science and Technology. Here is the abstract of their article:

Dynamic geometry software (DGS) such as Cabri and Geometers’ Sketchpad has been regularly used worldwide for teaching and learning Euclidean geometry for a long time. The DGS with its inductive nature allows students to learn Euclidean geometry via explorations. However, with respect to non-Euclidean geometries, do we need to introduce them to students in a deductive manner? Do students have quite different experiences in non-Euclidean environment? This study addresses these questions by illustrating the student mathematics teachers’ actions in dynamic spherical geometry environment. We describe how student mathematics teachers explore new conjectures in spherical geometry and how their conjectures lead them to find proofs in DGS.

Performance of undergraduate students in the limit concept

Nezahat Cetin has written an article called The performance of undergraduate students in the limit concept. The article was published in the last issue of International Journal of Mathematical Education in Science and Technology. Here is the article abstract:

In this work, we investigated first-year university students’ skills in using the limit concept. They were expected to understand the relationship between the limit-value of a function at a point and the values of the function at nearby points. To this end, first-year students of a Turkish university were given two tests. The results showed that the students were able to compute the limit values by applying standard procedures but were unable to use the limit concept in solving related problems.

Students’ experiences with mathematics teaching and learning

Dumma C. Mapolelo from University of Botswana has written an article that was recently published in the International Journal of Mathematical Education in Science and Technology. The article is entitled Students’ experiences with mathematics teaching and learning: listening to unheard voices. Here is the abstract of the article:

This study documents students’ views about the nature of mathematics, the mathematics learning process and factors within the classroom that are perceived to impact upon the learning of mathematics. The participants were senior secondary school students. Qualitative and quantitative methods were used to understand the students’ views about their experiences with mathematics learning and mathematics classroom environment. Interviews of students and mathematics lesson observations were analysed to understand how students view their mathematics classes. A questionnaire was used to solicit students’ views with regards to teaching approaches in mathematics classes. The results suggest that students consider learning and understanding mathematics to mean being successful in getting the correct answers. Students reported that in the majority of cases, the teaching of mathematics was lecture-oriented. Mathematics language was considered a barrier in learning some topics in mathematics. The use of informal language was also evident during mathematics class lessons.