数学成绩差英语

He does well in English, but not so well in math.

that is why my maths is so bad如果能帮到您，请好评一个，谢谢

I blew my math test.I got low marks in my math test.I didn't do well in my math test.

That's why my math's mark is so poor.

I did the worst in math in the mid-term examination. 表示哪个科目的考试，一般用inin English/Chinese/math exam

my maths score/mark is very low.

That's why my math is so poor.