Put a number into the Function Machine and see what comes out. (Includes video tutorial)
Tags: Functions, Coding
Explore functions in a novel environment - moving points on two parallel lines.
Texas Instruments UK
Tags: Quadratic, Functions, Exponential, Linear
Data from 50 cities around the world - all ready to be explored and analysed
Tags: Decimals, Data, Differentiation
Investigate shapes formed by joining mid-points of adjacent sides of a quadrilateral.
Tags: 2D shapes, Geometry
Compare real data about the capacity of passenger lifts in the UK and EU
Tags: Data, Box plots, Averages, Regression
Times and winners of the London Marathon (1981-2009).
Tags: Data, Time series, Box plots, Sport, Statistics
Trial and Improvement
Use trial and improvement to find the roots of a quadratic - multiple representations
Squaring the Circle
The classic geometry problem of "squaring the circle"
Tags: History of maths, Geometry
Recording matchstick patterns leads to linear functions. (Contains video tutorial)
Tags: Linear, Patterns
A tool to demonstrate that parts of the trig function curves are essentially the same.
T³ United Kingdom
Moving from Degrees to Radians
Measuring angles using degrees and radians (both decimals and fractions of π).
Tags: Fractions, Decimals, Angles, History of maths, Trigonometry
Real-time population data is used to develop models and make predictions of world population growth.
Tags: Linear, Exponential, Data
Mediators of Triangles
Investigate where mediators of different triangles meet
Volumes of Revolution
Rotate a curve about the x-axis and explore the volume of the shape generated.
Optimizing the sheep pen
Discussion of seven different approaches to an optimization problem
Tags: Various topics, Circle theorems
The Sine Rule
Investigate ratios in triangles that are not right-angled
Tags: Trigonometry, Sine
Shoe Sizes with Box Plots
Introducing boxplots and using them to compare very large data sets.
Tags: Data, Box plots, Time series
Discover, confirm, illustrate and use Pythagoras' Theorem
Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape
Tags: Perimeter, Area, Circles, Geometry
Dimensions of a Circle
Derive the formulae for the circumference and area of a circle using multiple representations.
Tags: Circumference, Area, Circles, Geometry