YOU SAID:
I'm falling math class
INTO JAPANESE
私は数学のクラスに落ちています
BACK INTO ENGLISH
I am falling into math class
INTO JAPANESE
私は数学の授業に参加しています
BACK INTO ENGLISH
I participate in a math class
INTO JAPANESE
数学の授業に参加しています
BACK INTO ENGLISH
I participate in a math class
Come on, you can do better than that.