Circle Angles

Seven activities in which students investigate angles in circles using basic geometric constructions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics

Tags: Angles, Circle theorems, Geometry

Cone Volumes

Calculate and optimise the volume of a cone using a variety of measurements. (OS 3.x)

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Nevil Hopley

Topic:  Mathematics

Tags: Functions, 3D objects, Surface area, Pythagoras, Triangle, Cones, Trigonometry, Volume

Olympic Cycling

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Jonathan Powell

Topic:  Mathematics

Tags: Data, Tables, Sport, Geometry

STEM calculator guide

A guide to using the handheld to perform calculations typically done in Science, Technology, Engineering and Maths. (Revised for v3.2.)

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics, STEM

Tags: STEM, Standard form, Notation

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