Please make sure your child has a Scratch account and can log into it - many kids forget their usernames and/or passwords. Unfortunately, if your child can't log in, you'll need to make a new account.
The hardest part of making a new account is coming up with a user name -- all the good ones are taken!  I recommend having the child pick two favorite words and a favorite number and combining them together.  "pizzacow17" for example. Pick a simple easy password. AND WRITE THEM DOWN SOMEWHERE!!!

Screen setup is really important in this class. I share my Scratch window on Zoom, and I expect that students can see my Scratch at the same time they work on their own Scratch window. I also ask students to share their screen when they run into difficulties so I can help them debug. This takes a good amount of screen space. Ideally a large screen on one computer (or laptop). Some students use two devices, but then they can't easily share their work with me. I don't recommend using one tablet (iPad) for the class, because the student can't see Zoom and Scratch at the same time (to the best of my knowledge). 

Also, it helps to have an adult nearby at the beginning of the first class to help set up the student's display correctly. I check in with every student at the beginning of each class and help them set up. But many students don't know how to resize windows.

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