Adding survey or quiz
A Survey is added to your plan time-line by selecting the check box associated with those surveys you wish to add to the plan and then selecting the Add selected to Plan button.
Ordering of surveys/quiz
You can change the order the survey appears in the plan by hovering over the survey number in the time-line to the left, holding down the left mouse button and drag the survey into a new position and then releasing the mouse button. The slide set will then be renumbered and slotted into the desired order.