A maths teacher has revealed a 3-mark GCSE exam question which is even baffling adults who were baffled by the non-calculator sum. So can you solve this problem?

A tricky maths question from a recent GCSE exam has left adults on social media rejoicing that they're no longer at school as they had 'no idea' how to work out the answer ...

Make sure you are confident in solving one and two-step linear equations and expanding brackets in order to tackle these more complex types of equations. Substitute close substituteIn algebra, to ...

When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...