All we've got left are 6,7 and 8:
The sixes are like a combination of the twos and the threes.
Here are links to videos as well as the powerpoint slides I made first. You'll have to hit the "back" button right now to get back to this page. If you're going to skip some, skip the practice ones because quizzes are good practice too. Be sure to watch the divisibility one.
On Repl.it these are relative links and their relatives aren't here (I'm not going to upload all those videos).
There will be more quizzes with different kinds of practice.