To Fall Down, To Fall, To Drop, To Fail
intransitive verb, ichidan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means fall and the vocab verb version means to fall down, to fall, and to drop. It can also mean to fail, in the sense of failing an exam.
おちる
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you: If you start to fall down, what do you yell? "OHHHH (お)!"
今、雪が落ちる音がしませんでした？
Did you hear the snow falling just now?
弟は虫を取ろうとして、木から落ちてしまいました。
My brother fell off the tree trying to catch insects.
土の上にはカラフルな葉がたくさん落ちていました。
A lot of colorful leaves have fallen on the ground.