Numeral
Number Word
noun
A number part of speech is a numeral or number word.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
日本語には数詞がたくさんありすぎて、ちょっとパニクってます。
I'm panicking a bit because there are so many number words in Japanese.
コウイチは、どうやって数詞を覚えたんですか?
How did you memorize numerals, Koichi?
日本語の数詞が勉強できるゲームがあればいいのに。
I wish there was a game that could help me study Japanese numerals.