Here’s something interesting : work out the cubes of 1, of 5 and of 3, then add them together.
Here’s a summary of what Obama and Romney said on education during the first Presidential debate. I first posted this information as a sequence of tweets.
It supports what I wrote earlier – educators should vote Democrat this election, because Obama has a vision of education building a core of strength into the USA, but Romney gives education little thought.
Puzzle : How many triangles can you see in the figure below?