Repeat steps 2 and 3 to add more tasks. Alternatively, copy the first task line and paste it onto new lines. Then change the individual task descriptions.
You can now check the items of your list. Everytime a checkbox is checked or unchecked, the version history of the page creates an entry.
Checkbox changes in the page history
Combined tasks
Tasks can have three elements: (1) A task checkbox with label, (2) an assignee, and (3) an optional date. When these elements are added to the page consecutively (the order of these elements is flexible), a single task item is created.
To add a combined task item:
Add your task list item as described above.
Add a mention (as described above) immediately after the task description to assign the task to a user.
Add a Date Content Droplet immediately after the user mention (optional).