Use the checkbox-toggleall component for the lesson activity

Create a lesson activity. Add a multichoice question page. Log in as a student and answer the question in the lesson activity. Do the same for another student As a teacher, go to the "Reports" tab Confirm that there is a "Select all attempts" checkbox on the attempts column header. Click on it Confirm that the master checkbox's label becomes "Deselect all attempts" Confirm that all attempt checkboxes are checked. Confirm that the "With selected attempts..." select menu becomes enabled when there's at least one item selected, and disabled when there's no item selected. Click on "Deselect all attempts" Confirm that the checkboxes become unchecked. Tick all of the attempts manually Confirm that when the attempts are all checked, the master checkbox gets checked as well and that its label becomes "Deselect all attempts"