Have you ever heard of Spelling City? It is a website where teachers can load weekly spelling words for students to practice. There are two options. One is the free version (which is what I have) and the other is the premium version which costs money (hence the reason I don't have it!!!!)
I have just updated my Spelling City account with the spelling words we have done so far this year. If you would like your child to keep practicing past words (a good idea!) while playing games (a fun idea!) then check out the link to my page:
Check it out!