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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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Angle Theorems

Traditional angle theorems explored in a far from traditional way!

Autor: Barrie Galpin

Schlagwörter: Algebra

City Data

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

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Decimals, Data, Differentiation

Trig Symmetry

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

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Trigonometry

Turn, turn, turn, turn

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

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Transformations

Time of Death

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

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Physics

Hurricane force

Investigate data from weather stations including wind speeds in different units

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Environment, Exponential, Measures, STEM

GB Olympic Medals

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

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Data, Sport

Olympic Cycling

Four problem-solving activities on the theme of track cycling.

Autor: Barrie Galpin

Fach:  Mathematics

Schlagwörter: Data, Tables, Sport, Geometry

Centres of a Triangle

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

Autor: Barrie Galpin

Schlagwörter: Circles, Zeros, Geometry, T3

Averages with dice

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

Autor: Barrie Galpin

Schlagwörter: Averages, Expected frequency, Randomness, Probability

Circle Theorems

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

Autor: Barrie Galpin

Schlagwörter: Temperature

Reflection

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

Autor: Barrie Galpin

Schlagwörter: Reflection

Relative Frequency

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

Autor: Barrie Galpin

Schlagwörter: Frequency, Probability

Power and Exponential Laws

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

Autor: Barrie Galpin

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

Straight-line Graphs

Introducing the connection between linear equations and straight-line graphs

Autor: Barrie Galpin

Schlagwörter: Linear, Patterns, Functions

Similar Shapes

A dynamic approach to enlargement and similarity

Autor: Barrie Galpin

Triangle construction

When constructing triangles, why is there only one possibility?

Autor: Barrie Galpin

Schlagwörter: Fractions

Crop Circles

Geometrical constructions and patterns in the context of crop circles

Autor: Barrie Galpin

Schlagwörter: Polygons, Triangle, Symmetry

Higher Maths Exam Questions

Higher Maths exam questions on the topics of straight line, differentiation, polynomials and functions are presented with solutions.

Autor: Barrie Galpin

Schlagwörter: Functions, Differentiation, Polynomial Division, Linear

Squaring the Circle

The classic geometry problem of "squaring the circle"

Autor: Barrie Galpin

Schlagwörter: History of maths, Geometry