Have you created a checklist, for example to help students remember what they have to do for a specific week? Add it to the (sub)module the checklist belongs to, to make it easier for the students to find.
- Navigate to Content in the navbar of your course.
- Navigate to the desired (sub)module.
- Click on Add Existing and then click Checklist.
- Click on the desired checklist (or click Create New, Checklist, to create a new checklist on the spot).