Ranging from kindergarten mathematics to the fringe of research this informal article paints the big picture of number in a non technical way suitable for primary teachers and older students.

This article for pupils and teachers looks at a number that even the great mathematician, Pythagoras, found terrifying.

Read all about Pythagoras' mathematical discoveries in this article written for students.

The number 2.525252525252.... can be written as a fraction. What is the sum of the denominator and numerator?

How many differently shaped rectangles can you build using these equilateral and isosceles triangles? Can you make a square?