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Profile Of : Jay Timotheus

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Jay Timotheus



Adding Fractions

Innovative way to explore fraction concepts, particularly equivalence and addition.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Fractions, Similarity, Geometry

Shoe Sizes with Box Plots

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Data, Box plots, Time series

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

Topic:  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

Topic:  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

Topic:  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

Topic:  Mathematics

Tags: Frequency, Probability

Straight-line Graphs

Introducing the connection between linear equations and straight-line graphs

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Linear, Patterns, Functions

Similar Shapes

A dynamic approach to enlargement and similarity

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  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

Topic:  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

Topic:  Mathematics

Tags: Polygons, Triangle, Symmetry, PI

Pythagoras' Theorem

Discover, confirm, illustrate and use Pythagoras' Theorem

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Pythagoras

Sequences

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jay Timotheus

Topic:  Mathematics

Tags: Patterns