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Equations always involve one or more unknown quantities which we try to find when we solve the equation. The simplest equations to deal with are linear equations. On this leaflet we describe how these are solved.

1 question. Solve a pair of linear equations in two unknowns by writing an equivalent matrix equation. Numbas resources have been made available under a Creative Commons licence by Bill Foster and Christian Perfect, School of Mathematics & Statistics at Newcastle University.

Many departments of mathematics, physics and engineering now use some form of diagnostic test to assess the basic mathematical skills of new undergraduates [1]. Results reveal that a typical cohort consists of students with a diverse range of mathematical backgrounds and capabilities. Tests also help to identify those students who lack both confidence and competence and are deemed to be at risk of failing or dropping out in Year One.
It is now commonplace for those teaching first year mathematics to be faced by an inhomogeneous student cohort and all are in accord that it has become almost impossible to teach them effectively together. It is against this background that streaming of first year undergraduate physicists into two more homogeneous groups has been introduced at the University of Leeds. The aim is to provide more effective teaching and mathematics support that will get students up to speed and mathematically prepared for their second year.

Ciarán Mac an Bhaird, Olivia Fitzmaurice, Eabhnat Ní Fhloinn, and Ciarán O’Sullivan (2013). Student
non-engagement with mathematics learning supports, Teaching Mathematics and its Applications, 32
(4), 191-205, doi: 10.1093/teamat/hrt018.
Large numbers of students entering higher education take some level of mathematics as part of their degrees, and it is widely reported that a considerable minority of these students demonstrate a lack of the basic mathematical skills that they require to succeed. A common response has been the establishment of mathematics learning supports to give students the opportunity to reach the levels required. Research has shown that in general, although the supports appear to impact positively on students who avail of them, a significant number of students do not engage appropriately. This article presents preliminary findings from a national survey carried out at nine Higher Education Institutions in Ireland, focusing on the reasons given by students for their lack of engagement with the extra supports. It looks at the students’ mathematical backgrounds; the type of institution they attend, and discusses what these students reported would encourage them to avail of the supports.

Ni Fhloinn, E., Fitzmaurice O., Bhaird, C. M., & O'Sullivan, C. (2014). Student perception of the impact of mathematics support in higher education. International Journal of Mathematical Education in Science and Technology, 45 (7) 953-967., DOI:10.1080/0020739X.2014.892161
Mathematics support in higher education has become increasingly widespread over the past two decades, particularly in the UK, Ireland and Australia. Despite this, reliable evaluation of mathematics support continues to present challenges for those working in this area. One reason is because ideally, properly structured support should function as an integral part of the overall educational experience of the student, in tandem with lectures and tutorials. When this occurs, it makes it difficult to isolate the impact of mathematics support from these other entities. In this paper, the results of a large-scale nationwide survey conducted with first-year service mathematics students in nine higher education institutes in Ireland are considered, exploring studentsâ?? perceptions of the impact of mathematics support upon their retention, mathematical confidence, examination performance and overall ability to cope with the mathematical demands they face. Students were extremely positive about the effectiveness of mathematics support in all of these areas, providing valuable insights into the value of learning support in mathematics.

The date of the formal introduction of student proctors within the Faculty of Engineering and Information Sciences is unclear. However, we have certainly been using student proctors for more than ten years. The purpose is to offer students the opportunity to learn from their peers in a one-to-one situation. Within the Faculty three departments have a student proctor programme each of which runs in much the same way but with differences which reflect the different custom and practice of each department.

University College London has established a wide selection of teaching resources to support a dramatic increase in the number of entrants to the Mathematics Department. This includes a diagnostic test for all entrants, a workbook for students to complete before the first semester and an integrated system of tutorials, lectures and a problem class. An intense Bridging Course also provides students with a valuable and comprehensive perspective of university mathematics.

The projects highlighted in this booklet have as their key concern the student and have introduced initiatives which recognise the diverse needs of students. All have some element of support tailored to the needs of students, although the projects themselves are quite distinct. The first is focused on supporting mathematics students and the next three focus on student-centred approaches for students from other disciplines. The focus then changes, with three reports on inclusive curricula and students with additional needs. The final report presents an overview of how one might use social media to engage students. This report was edited by Carol Robinson. This report is not made available under a Creative Commons licence but is freely available to UK universities for non-commerical educational use.

Mathematical Advice and Co-ordination Service (MACS) was established in 1995 within the Faculty of Mathematics to support students within their studies at the University and to help prepare them to go into the world. Funding was made available for an initial period of 3 years and was then continued on a year-to-year basis. The emphasis has changed over the years and most of the work is now linked to students�¢?? current problems but also includes help for those facing employers�¢?? tests at interview. The University accepted that the concept of student support offered in Mathematics needed to be extended into other areas and, through The Higher Education Funding Council for England (HEFCE), established the Student Advice Service (SAS). The SAS is now a permanent feature of the University serving any member of the student body (and indeed staff) who might benefit from what it offers. The remainder of this case study considers only the mathematical part of the SAS, though many of the comments apply to the other areas of the SAS (Academic English, Study Skills and ICT).

This article by Sarah Parsons (Harper Adams University College) describes the positive effects on examination results of introducing mathematics support and implementing other changes.
The article presents data which shows that significantly improved results followed from changes introduced in 2001 which included substantial mathematics support provision. However, because many other changes (changed content, separate lectures for some groups, diagnostic testing etc)
were introduced at the same time it is not possible to isolate particular effects of the mathematics support provision. Nevertheless external examiner comments reflect the value of mathematics support.
The article is published in MSOR Connections Feb 2005 Vol. 5 No.1.

This article by SARAH PARSONS (Harper Adams University College) describes the positive effects on examination results of introducing mathematics support and implementing other changes.
The article presents data which shows that significantly improved results followed from changes introduced in 2001 which included substantial mathematics support provision. However, because many other changes (changed content, separate lectures for some groups, diagnostic testing etc)
were introduced at the same time it is not possible to isolate particular effects of the mathematics support provision. Nevertheless external examiner comments reflect the value of mathematics support.
The article is published in MSOR Connections Feb 2005 Vol. 5 No.1.

This booklet presents summaries of the work completed under the Mathematical Sciences HE Curriculum Innovation Project from 2010-12 and provides links to access the resources produced. Work is presented on: developing graduate skills from within the curriculum and by engaging with employers; making available industrial problems in maths and stats; teaching and assessing problem solving; mathematical thinking; student support; inclusive curricula; non-traditional methods of assessment; use of audio-visual media in teaching and learning. This report was edited by Peter Rowlett. This report is not made available under a Creative Commons licence but is freely available to UK universities for non-commerical educational use.

Matthew Taylor, Ollie Bond, Callum Anderson and Andrew Kennedy. (2012) Summer internships in sigma-sw. MSOR Connections 12(1), 23-27. DOI: 10.11120/msor.2012.12010023
We report on the experience of Loughborough Universityâ??s Eureka Centre for Mathematical Confidence in establishing a small pilot project to provide one-to-one mathematics support for neurodiverse students who attend other local universities and where no such provision is available. We outline the background to the scheme and report on the three students involved.

Nine years ago members of staff within Physical Sciences at Cambridge University began recognizing that some students were having problems not only with the Mathematics Courses but also with applying material from A level in the context of their scientific subjects. The mathematics workbook was introduced to assist students with revision prior to starting university.
On completion the student is asked to fill in a questionnaire that helps to define the problem areas. This is presented to their supervisor. The supervision system is a fundamental feature of Cambridge teaching and one of its main strengths. The student sees a supervisor â?? most commonly in a group of two undergraduates, sometimes in a group of three and only exceptionally one-on-one â?? to discuss his or her work for at least an hour once a week. Such support is ongoing and essentially provides individual attention to those students who lack fundamental mathematical skills.

This video segment introduces surds, such as the square root of 2.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by Skillbank Solutions Ltd.

This video segment continues the series of segments on surds. It looks at calculations involving the difference of two roots.
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by Skillbank Solutions Ltd.

3 questions. First, two equations in two unknowns, second 3 equations in 3 unknowns, solved by Gauss elimination.
The third two equations in 2 unknowns solved by putting into matrix form and finding the inverse of the coefficient matrix.
Numbas resources have been made available under a Creative Commons licence by the School of Mathematics & Statistics at Newcastle University.

3 questions. First, two equations in two unknowns; second 3 equations in 3 unknowns, solved by Gauss elimination. The third, two equations in 2 unknowns solved by putting into matrix form and finding the inverse of the coefficient matrix. Numbas resources have been made available under a Creative Commons licence by Bill Foster and Christian Perfect, School of Mathematics & Statistics at Newcastle University.

This leaflet provides a table of integrals of common functions. (Engineering Maths First Aid Kit 8.7)

The introduction of the graphics calculator has provided the fourth year students taking Science with Management Studies with an interactive learning tool. This case study reviews its introduction into the course Discrete and Continuous Models at Napier University.

The approach to teaching Maths to Year 1 students in the Department of Engineering underwent a major reorganisation prior to the start of the 2002/3 session. The aim was to provide an optimum framework within which students studying four different engineering disciplines could be taught Maths within the resource constraints imposed by student numbers, and to cope with the extremely wide range of their Mathematical abilities on entry to these degree programmes. After much discussion, students are now taught their Year 1 Maths topics in two different cohorts, streamed according to initial Maths ability, and using different approaches in terms of the depth of understanding expected. This also involves the use of different assessments. This approach has been much more popular and created far fewer difficulties than the previous system which divided the students into two groups according to degree programme.

New entrants to chemistry degree programmes are given a 24 hour course in mathematics if they do not have an A level qualification in the subject. This concentrates only on the skills necessary to successfully complete the first year physical chemistry course; these include simple statistics, functions, partial differentiation and integration. The course is taught using chemically relevant examples, in an order related to the chemistry course rather than traditional mathematics courses.

Analysis is made showing how Helmholtz and Gibbs energies conveniently interrelate enabling typical 2-D and 3-D curves to be drawn across a range of temperature for selected chemical equilibria. Opposing influences leading to a free energy minimum or an entropy maximum are given a physical explanation with the attainment of equilibrium and the choice of conditions made evident. Simplifying assumptions are emphasised and the examples show how the data are manipulated, limits evaluated and trends in equilibrium summarised by EXCEL charts.

Double angle formulae are so called because they involve trigonometric functions of double angles e.g. sin 2A, cos 2A and tan 2A. (Mathtutor Video Tutorial)
This resource is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by Skillbank Solutions Ltd.

Double angle formulae are so called because they involve trigonometric functions of double angles e.g. sin 2A, cos 2A and tan 2A. (Mathtutor Video Tutorial)
The video is released under a Creative Commons license Attribution-Non-Commercial-No Derivative Works and the copyright is held by Skillbank Solutions Ltd.

This paper reports upon "the mathematics problem" experienced in some universities in the Netherlands. A mathematics course was designed to tackle the problem. The paper reports upon its effectiveness.
The paper was presented as part of the SoTL conference through the European Association for Research on Learning and Instruction.