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 ...

Practice solving a quadratic equation ahead of your National 5 Maths exam with this interactive maths quiz. Looking for more on solving a quadratic equation? Check out our National 5 Maths guide.

Maths is back in the headlines again, as the prime minister sets out further details of his plan to ensure that all pupils in England study maths until the age of 18. Rishi Sunak has hit out at what ...