Thirty is a noun in the numbers category. It is a intermediate (ages 9-10) word, meaning "The number 30" In Hebrew, thirty translates to שלושים.
Example Sentences
Most months have thirty or thirty-one days.
She read for thirty minutes before bed every night.
The swimming pool was thirty meters long.
Did You Know? Thirty is a very important age in many cultures — it is often seen as the beginning of true adulthood. September, April, June, and November each have exactly thirty days. In the old nursery rhyme, "Thirty days hath September..." was a trick to help children remember which months have thirty days.