Mathematics
Math, Maths
noun
The study of numbers is mathematics (or math).
すうがく
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.
川下さんは、石田中学校で数学の先生をしています。
Ms. Kawashita is a mathematics teacher at Ishida junior high school.
数学のしけん、明日だっていうのに、海人はホントききかんがねーよな。
The math exam is tomorrow, but Kaito doesn't seem to have any sense of urgency.
数学さんよ、どうか大人になって自分の問題は自分で解決してくれよな。
Dear Math, please grow up and solve your own problems by yourself.