I always thought it was to help slow down the speed of traffic, but I could be wrong.
The most important math concept is the idea of zero.
Maybe the most important concept is probably bullying. :) -Michael B. ;)
reason
Reason.
Questioning everything
Questioning everything
Questioning everything Reason
Questioning everything Reason
Hierarichal concept is a type of map that shows a descending order of importance, with the most important at the top.
The most important concept is that, apart from their order, the prime factorisation of any number is unique. This is known as the Fundamental Theorem of Arithmetic.
A driver must always look to the left and yield to a vehicle that is already in the roundabout.
Cars in the roundabout have the right of way over cars entering the roundabout.