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Exploring Gradients of Curves
A dynamic version of the classical introduction to differentiation using chords.
Author: Andy Kemp
Virtual geoboards for exploring basic geometric concepts
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
Tags: Points and lines
How many squares?
Encourages a systematic approach when searching for solutions. (Works well with TI-Nspire Navigator)
Tags: Circles, Mathematical thinking
Volumes of Revolution
Rotate a curve about the x-axis and explore the volume of the shape generated.
An exploration of various definitions of Euler's constant, 'e'.
Tags: Exponential, Differentiation, Calculus, Integration
Explore functions in a novel environment - moving points on two parallel lines.
Tags: Quadratic, Functions, Exponential, Linear
Explore the role of the discriminant in describing the roots of quadratic equations.