Wolunteering at an orphanage.

Question

I have worked at an orphanage.
There were a lot of work to do.
I talked with children there and helped them with math. I taught them English, too. I was happy because I could help others.

(Would you check the passage above?)

Answer 1

I have volunteered at an orphanage. There was a lot of work to do. I talked with children there and helped them with math. I taught them English, too. I was happy because I could help others.