Exploring Gradients of Curves

A dynamic version of the classical introduction to differentiation using chords.

Author: Andy Kemp

Topic:  Mathematics

Tags: Differentiation

Geoboards

Virtual geoboards for exploring basic geometric concepts

Author: Andy Kemp

Topic:  Mathematics

Tags: Geometry

Volumes of Revolution

Rotate a curve about the x-axis and explore the volume of the shape generated.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Integration

Discovering e

An exploration of various definitions of Euler's constant, 'e'.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Exponential, Differentiation, Calculus, Integration

Dynagraphs

Explore functions in a novel environment - moving points on two parallel lines.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Quadratic, Functions, Exponential, Linear

Line through two points

An exploration of the equation of a straight line passing through two points using similar triangles.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Points and lines

How many squares?

Encourages a systematic approach when searching for solutions. (Works well with TI-Nspire Navigator)

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Circles, Mathematical thinking

The Discriminant

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Quadratic