Before you even answer a poll in class… how many icons are on your screen? Does it look like this?
It shouldn’t. This is the Send Message mode. Theoretically it is for asking the instructor questions during polling – but no one uses it really, and the messages you send go into a weird report that they never really have a reason to look at, so they won’t be seen.
It should look like this:
To get out of Send Message mode… you must hit that back arrow in the lower left corner.