Mathematics Teaching 206 - January 2008

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Special edition

This and the previous (MT205) are special issues on visualisation.

Mathematics Teaching 206 - Visualisation

In this issue, the paper version has a flicker book‘’ image in the margin of each page. It is reproduced here as an animated image. Hold down ‘SHIFT’ and click ‘Reload’ or ‘Refresh’ to re-start it.

Working with moving images

Journey to the centre of a triangle - Margaret Jones

Margaret Jones compares working with a moving film to working with software tools.

The film that accompanies this article

Layers of experience using Arms - Laurinda Brown, Alf Coles, Derek Ball, Pat Morton, Matt Coles, Louise Ordman, Barry Orr, Tung Ken Lam Buy MT2060610 for £3

They split their attention between working on the mathematics and paying attention to how it was being worked on by the group.

The ARMS GSP file to accompany this article

In the usual way... - James Robinson Buy MT2061618 for £3

James Robinson describes using animation with Year 7 and NAGTY students and answers the question: 'How do you use these things anyway?'

The 'SpinLine' PowerPoint file to accompany this article

Kaleidoscope - Geoff Faux Buy MT2061921 for £3

Geoff Faux describes the response of some Year 7 students to looking at kaleidoscopic images.

Kate Mackrell's film to accompany this article
Anna's film to accompany this article

Imagining the cardioid - Leo Rogers

When he saw Trevor Fletcher's cardioid film once again, Leo Rogers was vividly reminded of his first experiences of animated mathematics nearly 50 years before.

Geometer's Sketchpad files to accompany this article
GeoGebra files to accompany this article
Cabri files to accompany this article

Centre feature

Cubism and Cabri - Adrian Oldknow Buy MT2062325 for £3

Adrian Oldknow shows what is possible with Cabri by using it to model some of his holiday snaps from Prague.

A set of Cabri files to accompany this article

From the classroom

Algebra: How is it for you? - Caroline Rickard Buy MT2061113 for £3

Caroline Rickard discusses how an MT article on teaching algebra to infants has influenced her work with student teachers.

Pythagoras and four colours - Hasan Unal Buy MT2062729 for £3

Hasan Unal describes a spatial activity based on partitioning a square into four figures and constructing two new squares from them.

Summary and activity sheet to accompany this article

Research

A model for multiplication - Heather McLeay

Heather McLeay discusses a visual representation to aid the multiplication of fractions.

Deconstructing calculation methods, part 3: Multiplication - Ian Thompson Buy MT2063436 for £3

In the third of a series of four articles, Ian Thompson deconstructs the primary national strategy’s approach to written multiplication. The first two articles in this series were published in MT202 and MT204.

Representing multiplication - Tony Harries and Patrick Barmby Buy MT2063741 for £3

Tony Harries and Patrick Barmby explore the use of visual representations, in particular the array, in the teaching of multiplication in the primary school.

A demo version of the Flash file referred to in this article

Shorts

Trisecting angles by paper folding - Bob Burn

It is not possible to trisect an arbitrary angle using only ruler and compasses, but it is possible to trisect an arbitrary angle by paper folding.

Mathematics Teaching 206 - January 2008