To create a slide click on either of the buttons marked Create Slide. This will populate a window to prompt you to name that slide. Once you name the slide click create.
To delete a slide select the slide you want to delete, go to the Home tab at the top of the screen and select Delete Slide.
To reset the slide to the original state, go to the Home tab at the top of the screen and select Reset Slide. Doing so moves all parts to the objects original state.
To edit the name of the slide go to Properties on the right hand side, click on the box beside Name and enter the new name.
See Slide Properties.
See Slide Actions.