I was always bottom of the class in math.
我的数学成绩总是班上最后一名。
My math class is worth three credits.
我的数学课为三个学分。
Is your math correct?
你的运算正确吗?
He studied math in college.
他上大学时专业是数学。
His mannerisms are more those of a preoccupied math professor
他的举手投足更像是一个全神贯注的数学教授。