When you're creating an assignment, sometimes there are parts of the text you may want to remove from students' view.
STEP 1: Go to your workspace
STEP 2: Select the article that has parts you want to whiteout
STEP 3: Highlight the portion you want to whiteout and select “Whiteout”.
The whited out text becomes an eraser icon. Hover over the icon to view text that has been removed.
In student view, the whited out text disappears. Here's an example in student view.
The white out feature can be used on videos, too.