Making errors in language learning is a sign of progress. true or false?

Depends on how major or minor the errors are. If the errors are due to lack of knowledge then it isn't a sign of progress but if less errors are being made and they are small ones progress may be shown.

Hello there.

Making errors in language learning is a sign of progress. 

False.

Show his work so he doesn’t get points taken off. this is because even if he can do calculations in his head, he may make a mistake and having it on the paper will not only him find mistakes but show that he was doing the work as well.