1. The word “hundred” comes from the old Norse term, “hundrath”, which actually means 120 and not 100.

2. In a room of 23 people there’s a 50% chance that two people have the same birthday.

3. Most mathematical symbols weren’t invented until the 16th century. Before that, equations we...

7. ‘Four’ is the only number in the English language that is spelt with the same number of letters as the number itself.

8. Every odd number has an “e” in it.

9. The reason Americans call mathematics “math”, is because they argue that “mathematics” functions as a singular noun so ‘mat...

13. Zero is not represented in Roman numerals.

14. The word “mathematics” only appears in one Shakespearean play, “The Taming of the Shrew”.

15. -40 °C is equal to -40 °F.

16. In France, a pie chart is sometimes referred to as a “camembert”.

17. The symbol for division (i....