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Constructing a scale model of the Earth and Moon in a classroom.
Tags: E-Learning, Algebra, Modelling
Simple Coding of Statistical Simulations
We will show you how to construct simulations of experiments of chance. We shall use the minimum amount of code, aiming to use just the Calculator and Data & Statistics applications as much…
Tags: Electricity, Physics, STEM
Simulation of a Chi-Squared Test of Association in a Two-Way Contingency Table
This code simulates a test of association for any two-way contingency table and compares it to the appropriate Chi-Squared distribution.
Tags: Equations, Electricity, Functions, Engineering, Statistics, Magnetism, Stochastics, STEM, Test of hypothesis
Moving from Degrees to Radians
Measuring angles using degrees and radians (both decimals and fractions of π).
Texas Instruments UK
Tags: Fractions, Decimals, Angles, History of maths, Trigonometry
Recording matchstick patterns leads to linear functions. (Contains video tutorial)
Tags: Linear, Patterns
Linear, Quadratic and Cubic Function Explorer
Explore linear, quadratic and cubic functions, their graphs and their different algebraic representations.
Tags: Linear, Quadratic, Powers and roots, Coordinate systems, Discriminant
How many solutions?
Use graphs and the nsolve(...) command to explore equations' solutions and discover properties of negative indices.
Tags: Decimals, Exponential, Powers and roots, Calculator methods, Index, Mathematical thinking
Graphs in the next dimension
Use an introduction to 3D graphs to reinforce understanding of 2D graphs. (Operating System 3.x)
Tags: Linear, Quadratic, Functions, 3D objects
Calculate and optimise the volume of a cone using a variety of measurements. (OS 3.x)
Tags: Functions, 3D objects, Surface area, Pythagoras, Triangle, Cones, Trigonometry, Volume
A tool to demonstrate that parts of the trig function curves are essentially the same.
T³ United Kingdom
Circle Area Formula
Supports the conceptual understanding of where the formula A=π*r² comes from.
Tags: Circle theorems, Area
Investigative Skills Toolkit
Use the TI-Nspire Handheld (either Numeric or CAS) to investigate and generalise results from numerical patterns.
Tags: Patterns, Scattergraphs, Linear regression, Modelling