My math class is worth three credits.

我的数学课为三个学分。

《牛津词典》

He always helps me with my math.

他经常在数学上帮助我。

youdao

My math book is in the bag.

我的数学书在书包里。

youdao

My teachers used to give three cheers when I did well in math.

VOA: special.2009.07.26

0 >> David: Yeah, so I very deliberately changed this 9 to a 9.0 so that my math would actually be floating point math involving real numbers and not just integers.

>，大卫：是的，我故意地把9改成9,那样我的数学实际上就是浮点数的了,包括实数，不只是整数。

哈佛公开课 - 计算机科学课程节选

and I left my math notes in someone's car

而我却把自己的数学笔记落在谁的车里了。

Can 实战 - SpeakingMax英语口语达人

If my math is correct, that means deficits averaged almost 2 percent of GDP over that period.

FORBES: Mr. President, Here's That Balanced Approach You Keep Demanding

We'd do one more, Roger, and then I'll let Austan get back to doing my math problems.

WHITEHOUSE: Press Briefing

Within seconds of filing the story a hedge-fund manager emailed me, demanding to know if my math was right.

FORBES: Thanks For Your Help, It Keeps Us All Honest