Math & Numbers Facts for Kids

There is no largest prime number — mathematicians have proven that prime numbers go on forever.

Ancient Babylonians used a base-60 number system, which is why we have 60 seconds in a minute and 60 minutes in an hour.

Negative numbers confused mathematicians for centuries — many thought numbers less than zero were impossible.

The word "hundred" originally came from an Old Norse word that actually meant 120, not 100.

Magic squares, where every row, column, and diagonal adds up to the same number, have fascinated people in China for over 4,000 years.

A million seconds is about 11.5 days, but a billion seconds is about 31.7 years — that's a huge difference!

The number 4 is considered unlucky in many East Asian countries because it sounds like the word for "death" in Chinese, Japanese, and Korean.

A Möbius strip is a loop of paper with a twist that has only one side and one edge — you can make one with just paper and tape!

The golden ratio (about 1.618) appears in art, architecture, and even the human face — it's considered the most beautiful proportion.

Zero is an even number — it can be divided by 2 with nothing left over.