Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle. Both can be calculated using the angle at the centre and the diameter or radius. Practice circle ...

I had never heard the term, “math circle,” until a few weeks ago when I stumbled across an article in The Atlantic about the growing number of American kids excelling in the highest levels of math. It ...

A red circle is inscribed inside a blue square. The arrangement leaves gaps in the square’s four corners, two of which are filled with smaller circles that just barely touch the big red circle and the ...

We asked six teachers to share their most successful functional maths lessons and here's what they came up with. Dance routines and symmetries of the square from Danny Brown, head of maths, Greenwich ...