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Pythagoras - two approaches
Areas of squares ...or lengths of sides, squared?
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Allan Duncan
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
Mean or Median?
Distinguish between mean and median from a dot plot
Tags: Mode, Median
Discover, confirm, illustrate and use Pythagoras' Theorem
Author: Jay Timotheus
Line through two points
An exploration of the equation of a straight line passing through two points using similar triangles.
Author: Andy Kemp
Tags: Points and lines
Move congruent squares to form nets, polyominoes and other shapes. (Ideally used with TI-Nspire Navigator)
Tags: Nets, 2D shapes, Symmetry
TI-Nspire for GCSE and IGCSE
Use your Nspire, effectively, to pick up extra marks in your GCSE or IGCSE exam.
Author: David Getling
Tags: Exponential, Linear, Frequency, Simultaneous equations, Fractions, Averages, Tables, Leaf diagram, Range, Mode, Mean, Box plots, Interest, Factorising, Cumulative frequency, Quartiles and interquartile range, Solving equations, Quadratic, Inequalities, Data, Median, Arithmetic
Real-time population data is used to develop models and make predictions of world population growth.
Author: Jonathan Powell
Tags: Linear, Exponential, Data
Put a number into the Function Machine and see what comes out. (Includes video tutorial)
Tags: Functions, Coding
Data from 50 cities around the world - all ready to be explored and analysed
Tags: Decimals, Data, Differentiation
A tool to demonstrate that parts of the trig function curves are essentially the same.
Publisher: T³ United Kingdom
Author: Nevil Hopley
Turn, turn, turn, turn
UPDATED. Four rotations of 90° and you get back to where you started .... always?
Time of Death
Collect temperature data and use an exponential model to estimate time of death.
Author: Ian Galloway
Investigate data from weather stations including wind speeds in different units
Author: Linda Tetlow
Tags: Environment, Exponential, Measures, STEM
GB Olympic Medals
UPDATED. How many Olympic medals will Team GB win in Rio 2016?
Tags: Data, Sport
You have been left one million pounds! How to spend or invest it over 50 years?
Tags: Interest, Tables, Modelling
Four problem-solving activities on the theme of track cycling.
Tags: Data, Tables, Sport, Geometry
STEM calculator guide
A guide to using the handheld to perform calculations typically done in Science, Technology, Engineering and Maths. (Revised for v3.2.)
Argomento: Mathematics, STEM
Tags: STEM, Standard form, Notation
Innovative way to explore fraction concepts, particularly equivalence and addition.
Tags: Fractions, Similarity, Geometry