Avery told me about a cool website she found that helps you practice expanded form! It is the same format we used in class. Check it out:
http://www.ictgames.com/arrowCards_revised_v6.html
I’ve also added the homepage of the website to our “Tips and Links- Learning Resources” page because it looks like it has a ton of other fun math games.
http://www.ictgames.com/resources.html
Thanks for the link, Avery! 🙂