First or two articles about Fibonacci, written for students.
This article for the young and old talks about the origins of our number system and the important role zero has to play in it.
Dotty Six is a simple dice game that you can adapt in many ways.
I ask you, sir, to plant a grove
To show that I'm your lady love.
This grove, though small, must be composed
Of twenty-five trees in twelve straight rows.
In each row five trees you must place
Or you shall never see my face.