Create a new assignment, or if you want to update an existing one, click the three vertical dots next to the assignment and select Edit.
After selecting which problems to include, look for the pencil icon in the lower-left corner and click it.
You’ll see options to organize the problems by subchapter, difficulty level, random, or manual order.
Note: To set the order yourself, choose manual, then simply drag and drop the problems into the sequence you want.
When you're finished, click Save to save to lock in your changes.