If you've practised learning numbers then it's time to learn how to tell the time!
There's lots of help and practice on the web.
You can listen to the time with this practice lesson.
There's also an exercise so you can check what you've learnt.
For more listening practice you can try these activities and games.
For more writing and reading practice the languages online website is very useful. Try exercises 1 -8.
Finally here's a clear explanation of all you've learnt and practised.