How do I move or reorder an assignment?
You can move or reorder assignments after you've created them. You can manually drag and drop the assignment, or you can use the Move To option, which is also accessible for keyboard users.
Note: If you are using Multiple Grading Periods, you cannot move assignments and quizzes that are part of a closed grading period to another assignment group. However, you can move open assignments and quizzes to another assignment group.
In Course Navigation, click the Assignments link.
Drag and Drop Assignment
You can use the drag and drop option to reorder assignments. Click the drag handle next to the module item name. Drop the module item in the desired location by releasing the mouse.
You can also use the Move To option to reorder an assignment. Click the Settings icon  and select the Move To... link .
Place Assignment Group
In the Move Assignment sidebar, click the Place drop-down menu , then select the assignment group for the assignment . If you want to keep the assignment in the existing assignment group, select the existing assignment group name. However, if you want to move the assignment into another assignment group, select the new assignment group name.
Click the Before drop-down menu . Select the assignment that should be before the assignment you are moving . You can also select to move the assignment so it is located at the bottom of the assignment group .
If you want to move the assignment to another location, change the sidebar placement options again. All changes are applied automatically in the Assignments page.
To close the sidebar, click the Done button.