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Profil : Barrie Galpin

user

Barrie Galpin

United Kingdom


barrie.galpin@zen.co.uk

www.tcubed.org.uk


DEMO Description

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Gesamte Ressourcen(71)|

Angle Theorems

Autor: Barrie Galpin

Schlagwörter: Algebra

Traditional angle theorems explored in a far from traditional way!

City Data

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Decimals, Data, Differentiation

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

Trig Symmetry

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Trigonometry

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

Turn, turn, turn, turn

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Transformations

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

Time of Death

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Physics

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

The Sine Rule

Autor: Barrie Galpin

Schlagwörter: Trigonometry

Investigate ratios in triangles that are not right-angled

Shoe Sizes with Box Plots

Autor: Barrie Galpin

Schlagwörter: Data, Box plots, Time series

Introducing boxplots and using them to compare very large data sets.

Circumference

Autor: Barrie Galpin

Schlagwörter: Circumference

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

Hydrocarbons

Autor: Barrie Galpin

Schlagwörter: Patterns, STEM, Chemistry

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

Ice and Salt

Autor: Barrie Galpin

Schlagwörter: Physics

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

Air Resistance

Autor: Barrie Galpin

Schlagwörter: Physics

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

Exploring our Solar System

Autor: Barrie Galpin

Schlagwörter: Data, STEM, Physics

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

Premier League Goals

Autor: Barrie Galpin

Schlagwörter: Data, Frequency, Sport, Probability

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

Centres of a Triangle

Autor: Barrie Galpin

Schlagwörter: Circles, Zeros, Geometry, T3

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

Averages with dice

Autor: Barrie Galpin

Schlagwörter: 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

Autor: Barrie Galpin

Schlagwörter: Temperature

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

Reflection

Autor: Barrie Galpin

Schlagwörter: Reflection

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

Relative Frequency

Autor: Barrie Galpin

Schlagwörter: Frequency, Probability

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

Power and Exponential Laws

Autor: Barrie Galpin

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

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

Straight-line Graphs

Autor: Barrie Galpin

Schlagwörter: Linear, Patterns, Functions

Introducing the connection between linear equations and straight-line graphs