Resource Portal

Here you can find STEM education resources.

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Centres of a Triangle

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics

Tags: Circles, Zeros, Geometry

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

Power and Exponential Laws

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics

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

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

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

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

Complex numbers- multiple choice questions

Three .tns files of multiple choice questions on the topic of complex numbers.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jonathan Powell

Topic:  Mathematics

Tags: Nombres complexes

Estimating fractional areas

An activity to help students think about and appreciate simple fractions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Fractions, Percentages, Area

Fraction Diagrams

Assistance to understand fractions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Fractions, Area

Higher Maths exam questions on Polynomials

A set of exam level questions with solutions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Polynomial Division

Quadratic theory Higher maths exam questions

Higher maths exam level questions on quadratic theory.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Quadratic, Discriminant

Higher maths exam level questions on trigonometry

Higher maths exam level questions on trigonometry

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Trigonometry

Stacking circles

Circles are stacked. How high is the top point above the ground?

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Pythagoras

Higher Maths (differentiation) exam level questions

A set of exam level questions in differentiation.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Differentiation

Diameters of Polygons

Investigate the ratio of perimeter to diameter for regular polygons.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics

Tags: 2D shapes, Perimeter, Polygons