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Profile Of : Barrie Galpin

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Barrie Galpin


barrie.galpin@zen.co.uk

www.tcubed.org.uk


DEMO Description

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Circumference

Explore the relationship between radius, diameter and circumference of circles.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Argomento:  Mathematics

Tags: Circumference

Discovering e

An exploration of various definitions of Euler's constant, 'e'.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Argomento:  Mathematics

Tags: Exponential, Differentiation, Calculus, Integration

Hydrocarbons

Pattern spotting in the context of the chemical formulas of the hydrocarbons

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Linda Tetlow

Argomento:  Mathematics

Tags: Patterns, STEM, Chemistry

Ice and Salt

Use a temperature probe to investigate the effect of adding salt to a water/ice mixture.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Ian Galloway

Argomento:  Mathematics

Tags: Physics, Data collection

Air Resistance

Motion data from weighted cones shows air resistance varies as the square of terminal speed

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Ian Galloway

Argomento:  Physics, STEM

Tags: Physics

Introducing Trigonometry

Use interactive diagrams to investigate the ratio of two sides of a right-angled triangle.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Fiona Moir

Argomento:  Mathematics

Tags: Trigonometry

Exploring our Solar System

Detailed data for the properties of the planets with 10 pages of questions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Bikash Jain, Stephen Arnold

Argomento:  STEM

Tags: Data, STEM, Physics

Premier League Goals

Compare frequencies of goals scored per team per match and resulting scorelines.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Argomento:  Mathematics, STEM

Tags: Data, Frequency, Sport, Probability, Coding

Linear, Quadratic and Cubic Function Explorer

Explore linear, quadratic and cubic functions, their graphs and their different algebraic representations.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Nevil Hopley

Argomento:  Mathematics

Tags: Linear, Quadratic, Powers and roots, Coordinate systems, Discriminant

Centres of a Triangle

Construct some of the centres of a triangle and investigate relationships between them, discovering the Euler Line

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Argomento:  Mathematics

Tags: Circles, Zeros, Geometry

Averages with dice

Simulate the throws of one or more dice, predict and tabulate outcomes. Plot the data and obtain averages and the range.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Averages, Expected frequency, Randomness, Probability

Circle Theorems

Explore five circle theorems by moving lines and points around the TI-Nspire screen.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Circle

Reflection

Experience reflection dynamically: relationships between the object, the image and the position and orientation of the mirror.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Reflection, Geometry

Relative Frequency

Animation comparing absolute and relative frequencies for simulated dice throws and coin tosses

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Frequency, Probability

Power and Exponential Laws

Modelling situations where experimental data suggests there may be either power or exponential functions

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Argomento:  Mathematics

Tags: Exponential, Powers and roots, Scattergraphs, Logarithms, Modelling

Straight-line Graphs

Introducing the connection between linear equations and straight-line graphs

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Linear, Patterns, Functions

Similar Shapes

A dynamic approach to enlargement and similarity

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Geometry, 2D shapes

Triangle construction

When constructing triangles, why is there only one possibility?

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Fractions

Crop Circles

Geometrical constructions and patterns in the context of crop circles

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Argomento:  Mathematics

Tags: Polygons, Triangle, Symmetry, PI

Complex numbers- multiple choice questions

Three .tns files of multiple choice questions on the topic of complex numbers.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jonathan Powell

Argomento:  Mathematics

Tags: Nombres complexes