If I print this page which shape will require the more yellow ink?

The diagonals of a trapezium divide it into four parts. Can you create a trapezium where three of those parts are equal in area?

Can you find the area of a parallelogram defined by two vectors?

How much peel does an apple have?

An inequality involving integrals of squares of functions.

Samantha from Hamlin used the Find & Replace feature in Word and then some sharp thinking to unpick the cipher text

Solve this Sudoku puzzle whose clues are in the form of sums of the numbers which should appear in diagonal opposite cells.