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.
母は高校の数学の先生でした。
My mother was a high school math teacher.
明日の数学のテスト、すごく不安なんですよ。
I'm very worried about tomorrow's math test.
その数学の答えは正しいですか？
Are the math answers correct?