Which sentence uses proper grammar?

I'm bored by math class.
Or
I'm bored of math class.

bored by

generally, "tired of" is more common

Of course, math is interesting, so the sentence is false on the face of it!

I agree with Steve. It's a childish sentence.

But you should never use "of" after "bored" ... even better is to remember that people who say they are bored are usually pretty boring themselves!!

Thank you. I agree that the sentences are a bit childish. I didn't choose the wording of each sentence. They were the were questions submitted by others. I merely needed to choose the one that is grammatically correct. I just wanted a second opinion.

Sorry about the typos. It should've read: They were questions submitted by others. I have to be sure to triple check before posting.

To determine which sentence uses proper grammar, we need to understand the correct use of prepositions with the adjective "bored."

The prepositions "by" and "of" are both commonly used with the adjective "bored," but they have slightly different meanings.

"When you use 'bored by,' it suggests that something or someone is causing the boredom. For example, 'I'm bored by math class' means that math class is causing your boredom.

On the other hand, when you use 'bored of,' it suggests a general feeling of boredom without attributing it to a specific cause. For example, 'I'm bored of math class' means you feel bored in general when it comes to math class.

Both "bored by" and "bored of" are considered correct grammatically, but their meanings slightly differ.

In conclusion, both sentences "I'm bored by math class" and "I'm bored of math class" are grammatically correct, but the choice between "by" and "of" depends on the intended meaning you want to convey.