MathematicsThis is the index to all my Maths websites. They are written for different ages, although anyone is welcome to read them. 

For the very young 

Simple Maths Skills: Numbers and angles (and some fun games!) Angles: various interactive games to introduce the concept of angles 
Patterns and shapes 

Symmetry: reflective and rotational; plus make your own pattern or snowflake online Tessellations: square; triangle; other; Escher; examples; plus make your own online Solid shapes: cubes and more complicated shapes, with nets, pictures, facts Introduction to Euclid  theorems up to 'Pythagoras' theorem, with interactive diagrams Mandelbrot set: display the image, with zoom etc. 
Numbers 

Numbers: explanation and convertors for many different number systems (Egyptian, Babylonian, Chinese, Greek, Roman, Mayan and Arabic numbers) Data: Gathering data, interactive pictograms, graphs, mean/median/mode, sorting Calculating machines: abacus, Napier's bones, slide rule, logs, calculators Interesting numbers: 0, 1, i, root two, golden ratio, e, pi, googol, infinity Binary and other bases Finger systems: systems for counting and calculating using your fingers Words for numbers: English, French, German, counting songs and counting sheep 
For older children (or adults) 

Probability: Tossing coins, throwing dice, calculations for dice, about probability Logic puzzles: interesting puzzles to make you think  answers and explanations are given 
© Jo Edkins 2015