Use trial and improvement to find the roots of a quadratic - multiple representations
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
The classic geometry problem of "squaring the circle"
Editor: Barrie Galpin
Author: Adrian Oldknow
Topic: Mathematics
Recording matchstick patterns leads to linear functions. (Contains video tutorial)
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Nevil Hopley
Topic: Mathematics
A tool to demonstrate that parts of the trig function curves are essentially the same.
Publisher: T³ United Kingdom
Editor: Barrie Galpin
Author: Nevil Hopley
Topic: Mathematics
Moving from Degrees to Radians
Measuring angles using degrees and radians (both decimals and fractions of π).
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Nevil Hopley
Topic: Mathematics
Real-time population data is used to develop models and make predictions of world population growth.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jonathan Powell
Topic: Mathematics
Investigate where mediators of different triangles meet
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
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
Discussion of seven different approaches to an optimization problem
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
Investigate ratios in triangles that are not right-angled
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
Introducing boxplots and using them to compare very large data sets.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jay Timotheus
Topic: Mathematics
Discover, confirm, illustrate and use Pythagoras' Theorem
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jay Timotheus
Topic: Mathematics
Investigate the ratio of perimeter to diameter for regular polygons.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
UPDATED. Four rotations of 90° and you get back to where you started .... always?
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
Generate sequences using term-to-term and sequence to term rules.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jay Timotheus
Topic: Mathematics
Explore the relationship between radius, diameter and circumference of circles.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
An exploration of various definitions of Euler's constant, 'e'.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Andy Kemp
Topic: Mathematics
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
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