同学们正在上数学课。

The students are having a course in maths.

我们正在教室里上数学课。

We are having a maths lesson in the classroom.

我星期一和星期三上数学课。

I have math on Monday and Wednesday.

小明觉得数学课很枯燥,所以一上数学课就犯困.

Xiao Ming finds the math class boring and feels sleepy whenever he has one.

我要去上数学课。

I'm going to math class.

老师正在上数学课。

The teacher is explaining the math lesson.

虽然我们如今已不用再上数学课了。

Life today, however, is no math class.

那是个什么形状呢？想象一下所有的蜜蜂不得不去建筑学院上数学课。

What shape does that? Imagining for a minute that all bees had to attend architecture academy and go to math class.

一些学校甚至让体育老师和地理老师来为那些年纪较小、能力平平的学生上数学课。

Some schools are even putting PE and geography teachers in maths rooms to teach younger or less abled pupils.