1. 111,111,111 x 111,111,111 = 12,345,678,987,654,321.
2. If you have a pizza with radius Z and thickness A, its volume is = Pi*Z*Z*A
3. 1089 x 9 = 9801.
4. Ancient Babylonians did math in base 60 instead of base 10. That’s why we have 60 seconds in a minute and 360 degrees in a circle.
5. Students who chew gum have better math test scores than those who do not, a study found.
6. 2,520 is the smallest number that can be exactly divided by all the numbers 1 to 10.
7. 123 – 45 – 67 + 89 = 100.
123 + 4 – 5 + 67 – 89 = 100.
123 – 4 – 5 – 6 – 7 + 8 – 9 = 100.
1 + 23 – 4 + 5 + 6 + 78 – 9 = 100.
8. There are 177,147 ways to tie a tie, according to mathematicians.
9. In 1900, all the world’s mathematical knowledge could be written in about 80 books; today it would fill more than 100,000 books.
10. The birthday paradox says that in a group of just 23 people, there’s a 50% chance that at least two will have the same birthday.
11. Newton invented/discovered calculus in about the same amount of time the average student learns it.
11 Facts You Did Not Know About Maths
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