1. In a group of 23 people, at least two have the same birthday with the probability greater than ½

2. Among all shapes with the same area circle has the shortest perimeter
3. Math is the background for books such as Alice in Wonderland
4. It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC.
5. After a million, billion and trillion there is a quadrillion, quintillion, sextillion, septillion, octillion and nonillion.
6. The name of the popular search engine ‘Google’ came from a misspelling of the word ‘googol’ which is a number followed by 100 zeros
7. If two quantities have a ratio of approximately 1.618, they are said to be in the golden ratio because it makes something visually pleasing. This can be seen in photography and other art fields, architecture, such as the Parthenon, and much more.