Three words, GCSE maths exam. It’s enough to fill you with dread and transport you back to a time when you’d be sitting in an exam hall frantically trying to recall Pythagoras's theorem and clutching ...

Rotate the rectangle ABCD 90° clockwise about the point (0,-1). Each corner of the image A'B'C'D' is the same distance from the centre of rotation as the original shape.

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Maths qualifications in England need “urgent reform” to address the high number of students leaving school ...