Discover, confirm, illustrate and use Pythagoras' Theorem
Texas Instruments UK
Generate sequences using term-to-term and sequence to term rules.
Averages with dice
Simulate the throws of one or more dice, predict and tabulate outcomes. Plot the data and obtain averages and the range.
Tags: Averages, Expected frequency, Randomness, Probability
Explore five circle theorems by moving lines and points around the TI-Nspire screen.
Experience reflection dynamically: relationships between the object, the image and the position and orientation of the mirror.
Tags: Reflection, Geometry
Animation comparing absolute and relative frequencies for simulated dice throws and coin tosses
Tags: Frequency, Probability
Introducing the connection between linear equations and straight-line graphs
Tags: Linear, Patterns, Functions
A dynamic approach to enlargement and similarity
Tags: Geometry, 2D shapes
When constructing triangles, why is there only one possibility?
Geometrical constructions and patterns in the context of crop circles
Tags: Polygons, Triangle, Symmetry, PI
Shoe Sizes with Box Plots
Introducing boxplots and using them to compare very large data sets.
Tags: Data, Box plots, Time series
Innovative way to explore fraction concepts, particularly equivalence and addition.
Tags: Fractions, Similarity, Geometry