What’s more, doing maths is often a collaborative endeavour – and can be a great source of fun and fulfilment when people ...

Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

\(2 \frac{1}{2}\) is an example of a mixed number. This is when whole numbers and fractions are written together. Turn \(3 \frac{1}{2}\) into an improper fraction. The fraction in the mixed number has ...

Hi, everyone, welcome.I'm Greg, and this is…Mwaksy, where are you?Hello? Hello! I'm here!I'm sorry I'm late, I was setting up a demo. Sure!So, I have a number of bricks here in this wheelbarrow,and I ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...