mMy favorite number is 4 beacouse because l want like the age of 4. age.

On the other hand, my favorite letter is r.

Things to improve:

1. Proper capitalization (the first word in a sentence should start in a big letter)

2. Correct spelling Example] because

3. Word choice

4. Sentence pattern

You are improving well in doing your homework. Keep it up, Mia!