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Profile Of : Barrie Galpin

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Barrie Galpin


barrie.galpin@zen.co.uk

www.tcubed.org.uk


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Diameters of Polygons

Investigate the ratio of perimeter to diameter for regular polygons.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Sujet:  Mathematics

Tags: 2D shapes, Perimeter, Polygons

Sequences

Generate sequences using term-to-term and sequence to term rules.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Jay Timotheus

Sujet:  Mathematics

Tags: Patterns

The Discriminant

Explore the role of the discriminant in describing the roots of quadratic equations.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Andy Kemp

Sujet:  Mathematics

Tags: Quadratic

Transformations of Graphs

Explore transformations of graphs in a dynamic environment.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Sujet:  Mathematics

Tags: Functions, Transformations, Graphs

Heads and Tails

Experimental probability... for better samples make them bigger.
(Navigator activity)

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Sujet:  Mathematics

Tags: Binomial Distribution, Probability

Light Law

Use a light probe to explore an example of an inverse square law

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Ian Galloway

Sujet:  Mathematics

Tags: Physics, STEM

g by freefall

Use the CBR2 to collect motion data and calculate the acceleration due to gravity.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Ian Galloway

Sujet:  Physics

Tags: Physics

Car motion

Use the CBR2 to collect and display motion data for different toy cars.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Ian Galloway

Sujet:  Physics, STEM

Tags: Physics, Velocity

Carbon dating

Estimate the age of a skeleton and discover exponential functions while investigating radioactive decay.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Linda Tetlow

Sujet:  Physics, STEM

Tags: Physics, Exponential, Functions, Differential equations

What's in your breakfast?

Inequalities and data handling in the context of the nutritional content of breakfast cereals

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Linda Tetlow

Sujet:  Mathematics, Biology

Tags: STEM, Inequalities, Data

Reaction times

Pose a question, set up an experiment and analyse your results using TI-Nspire.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Linda Tetlow

Sujet:  Physics, STEM

Tags: STEM, Data

Patterns to Graphs

Experience the connection between a number pattern and its graph

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Sujet:  Mathematics

Tags: Linear, Patterns, Functions, Graphs

A number plus its square

How many ways to solve problems such as "a number plus its square equals 16"?

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Linda Tetlow

Sujet:  Mathematics

Tags: Various topics

Barn and pen problem

A simple version of the maximum-area problem for younger students

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Sujet:  Mathematics

Tags: Area, Optimization

Parallelogram Area

Investigating and developing the area of a parallelogram dynamically.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Jon Skinner

Sujet:  Mathematics

Tags: Area, Parallelogram

Triangle Area

Discovering the formula for the area of a triangle

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Jon Skinner

Sujet:  Mathematics

Tags: Triangle, Area

Magic Squares

An investigation into the patterns found in Magic Squares.

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Matthew Reames

Sujet:  Mathematics

Tags: Arithmetic, Number puzzles

Perfect Pitch

Look for connections and patterns in the frequencies and wavelengths of sequences of musical notes

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Linda Tetlow

Sujet:  Mathematics, STEM

Tags: Exponential, Patterns, STEM, Geometric series, Physics, Loci

The sheep-pen problem

Recognise a quadratic in a realistic context and solve an optimisation problem

Editeur: Texas Instruments UK

Editor: Barrie Galpin

Auteur: Allan Duncan

Sujet:  Mathematics

Tags: Quadratic, Perimeter, Area, Algebra