Once you get to the Platform page, there are a few ways you can find lessons. You can click on a subject area, do a keyword search, or click on Filter to select checkboxes for kit type, subject(s), and grade level(s).
If you haven't used a platform access code, you can still find some free lessons. Lessons that are only accessible if you pay will be Locked.
You can type the keyword "free" in your search to filter for free activities.
If you are looking for a Digital game, click on the Filter button in the Platform screen. Check the box for Digital, as well as any grade level or topic requirements. If you are using a free account, you might want to add the word "free" in the keyword search to find games that are not locked.
The layout is very similar to the Kit-required games. However, instead of a video, you have a Play Game button so you can test out the game.
Only some games include the 4C Cards extension activities.
After clicking on Play Game, copy the url from your address bar and add the link to an assignment in Google Classroom.
If you have the game open you can also use the Google Classroom extension to either push it out to your students Chromebooks on the fly, or create an assignment. You will find the Google Classroom extension to the right of your address bar.