Third twenty in twenty – Mathematics is worthwhile
One worn out argument that is often aimed at mathematics is ‘I will never use it, so what’s the point?’. Indeed, on face value, the argument has value.
Read moreMathematics
Missing convention?
In this clip from years ago, (SPOILER ALERT…) Presh explains how sticking to the ‘operations order’ determines the correct answer to be 9. I was quite shocked at this result.
Read more
The Lost Boarding Pass puzzle
The puzzle: One hundred passengers are about to board a plane. The first passenger lost his boarding pass and decides
Read more