T³ Europe Resources

Profile Of : Barrie Galpin


Barrie Galpin

United Kingdom



DEMO Description

Proin faucibus arcu quis ante. Mauris sollicitudin fermentum libero. Maecenas vestibulum mollis diam. Fusce fermentum. Donec posuere vulputate arcu.

Mauris sollicitudin fermentum libero. Vivamus euismod mauris. Etiam feugiat lorem non metus. Nam commodo suscipit quam. Nullam accumsan lorem in dui.

Total Resources(71)|

Angle Theorems

Author: Barrie Galpin

Tags: Algebra

Traditional angle theorems explored in a far from traditional way!

City Data

Author: Barrie Galpin

Topic:  Mathematics

Tags: Decimals, Data, Differentiation

Data from 50 cities around the world - all ready to be explored and analysed

Trig Symmetry

Author: Barrie Galpin

Topic:  Mathematics

Tags: Trigonometry

A tool to demonstrate that parts of the trig function curves are essentially the same.

Turn, turn, turn, turn

Author: Barrie Galpin

Topic:  Mathematics

Tags: Transformations

UPDATED. Four rotations of 90° and you get back to where you started .... always?

Time of Death

Author: Barrie Galpin

Topic:  Mathematics

Tags: Physics

Collect temperature data and use an exponential model to estimate time of death.

Hurricane force

Author: Barrie Galpin

Topic:  Mathematics

Tags: Environment, Exponential, Measures, STEM

Investigate data from weather stations including wind speeds in different units

GB Olympic Medals

Author: Barrie Galpin

Topic:  Mathematics

Tags: Data, Sport

UPDATED. How many Olympic medals will Team GB win in Rio 2016?


Author: Barrie Galpin

Tags: Circumference

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


Author: Barrie Galpin

Tags: Patterns, STEM, Chemistry

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

Ice and Salt

Author: Barrie Galpin

Tags: Physics

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

Air Resistance

Author: Barrie Galpin

Tags: Physics

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

Exploring our Solar System

Author: Barrie Galpin

Tags: Data, STEM, Physics

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

Premier League Goals

Author: Barrie Galpin

Tags: Data, Frequency, Sport, Probability

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

Centres of a Triangle

Author: Barrie Galpin

Tags: Circles, Zeros, Geometry, T3

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

Averages with dice

Author: Barrie Galpin

Tags: Averages, Expected frequency, Randomness, Probability

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

Circle Theorems

Author: Barrie Galpin

Tags: Temperature

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


Author: Barrie Galpin

Tags: Reflection

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

Relative Frequency

Author: Barrie Galpin

Tags: Frequency, Probability

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

Power and Exponential Laws

Author: Barrie Galpin

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

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

Straight-line Graphs

Author: Barrie Galpin

Tags: Linear, Patterns, Functions

Introducing the connection between linear equations and straight-line graphs