Here are a few links you can click on to practice the numbers:
A good summary of the numbers here with a video to help you.
Good explanations & excercises from Spanish Dict: Here (1-100) and Here (101+)
Practice the numbers using the flashcards then play the games
And some more games here – Numbers 1 – 12, Numbers 13 – 20 and Numbers 10 -100
hastalabandera 