Welcome to Family Corner!
My son loves the Weekly Reader website. Kids can sign up to take surveys for their age groups and earn points for prizes.
http://www.wrinsiders.com/Kids/Default.aspx?RP=Home
Here is a good website with free worksheets
http://www.teach-nology.com/workshee...ge_arts/vocab/
Here is another good one:
http://www.rif.org/readingplanet/ My son earned a $10 gift card from Target over the summer for reading on here.
I can give you more game sites for their ages that use spelling and words if you are interested in them. My son is in 3rd grade but I have been doing this for the past few years because he loves using the computer too.