You can insert a slide into a presentation at any time and at any position in the presentation. To insert a slide, follow these steps:
Select the slide that appears just before the place where you want to insert the new slide. (You can select the slide in any view: Outline, Slides, Slide Sorter, or Notes Pages.)
Choose Insert, New Slide, click the New Slide button, or press Ctrl+M. In Outline view, PowerPoint inserts a blank slide, allowing you to type in a title and bulleted list. In all other views, the New Slide dialog box appears (see Figure 9.1).
In the Choose an AutoLayout list, click on a slide layout, or use the arrow keys to highlight it.
Click the OK button. PowerPoint inserts a slide that has the specified layout (see Figure 9.2).
Follow the directions indicated on the slide layout to add text or other objects. In most cases, you click on an object to select it and then you type in your text.