Learn about how triangle sequences, quadratic sequences and the common difference with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

This brain teaser challenges you to find the missing number in a sequence following a doubling pattern. Starting with 4, the sequence grows with differences that double each time. The answer is 97 ...

You’ll think this number sequence is just another set of digits until you spot the hidden pattern. But will you be able to spot the answer and solve this puzzle?