Year 10 to University
Data Index

Accuracy and Precision
Discrete and Continuous Data
Fair Dice
How to Do a Survey
Showing the Results of a Survey
Survey Questions
Univariate and Bivariate Data
What is Data?
Activity: A Walk in the Desert
Activity: Soup Can
Area Calculator
Bisect Definition
Calculate the Straight Line Graph
Circle Equations
Completing the Square
Conic Sections
Definition of Locus
Definition of Parabola
Definition of Parallel Lines
Definition of Perpendicular Lines
Distance Between 2 Points
Equation Grapher
Equation of a Line from 2 Points
Equation of a Straight Line
Explore the Quadratic Equation
Finding Intercepts From an Equation
Finding Parallel and Perpendicular Lines
Function Grapher and Calculator
Function Grapher and Calculator
General Form of Equation of a Line
Gradient Definition
Gradient of a Straight Line
Graph of an Equation
Graphing Linear Inequalities
Graphing Quadratic Equations
Inequality Grapher
Linear Equations
Midpoint Definition
Midpoint of a Line Segment
Perimeter of Ellipse
Perpendicular and Parallel
Perpendicular Definition
Point-Slope Equation of a Line
Pythagoras Theorem
Quadratic Equations
Quadrilaterals - Square Rectangle Rhombus Trapezoid Parallelogram
Set of All Points
Slope Definition
Slope of a Straight Line
Square Function
Symmetry in Equations
Systems of Linear and Quadratic Equations
Systems of Linear and Quadratic Equations
Systems of Linear Equations
Triangles - Equilateral Isosceles and Scalene
Y Intercept of a Straight Line
Activity: An Experiment with a Die
Activity: An Experiment with Dice
Activity: Buffon's Needle
Activity: Dropping a Coin onto a Grid
Bags of Marbles Puzzle
Combinations and Permutations
Conditional Probability
False Positives and False Negatives
Mutually Exclusive Events
Pascal's Triangle
Probability Line
Probability Tree Diagrams
Probability: Complement
Probability: Independent Events
Quincunx Explained
Random Words
Shared Birthdays
The Binomial Distribution
The Spinner - Your Decision Maker
Combination Definition
Combinations and Permutations
Combinations and Permutations Calculator
Definition of Factorial
Factorial Function !
Permutation Definition
Quincunx Explained
Random Words
The Basic Counting Principle
Activity: Lengths of Leaves
Calculating the mean from a frequency table
Cartesian Coordinates
Cumulative Tables and Graphs
Definition of Cumulative Frequency
Definition of Mode
Definition of Percentile Rank
Definition of Quartiles
Definition of Scatter Plot
Discrete and Continuous Data
Equation of a Straight Line
Finding a Central Value
Frequency Distribution
Frequency Distribution Definition
Frequency Histogram Definition
Grouped Frequency Distribution
How to Calculate the Mean Value
How to Calculate the Mode or Modal Value
How to Find the Median Value
Mean Definition
Mean Deviation
Mean Median and Mode from Grouped Frequencies
Median Definition
Normal Distribution
Quincunx Explained
Scatter Plots
Skewed Data
Standard Deviation and Variance
Standard Deviation Calculator
Standard Deviation Formulas
Standard Normal Distribution Table
The Mean Machine
The Range


And there is also the Illustrated Math Dictionary, Worksheets, Games, Puzzles and Forum.