What is the 10 20 30 Rule of PowerPoint?
A PowerPoint presentation should have 10 slides, last no more than 20 minutes, and contain no font smaller than 30 points.
What is the 5 by 5 rule in PowerPoint?
To keep your audience from feeling overwhelmed, you should keep the text on each slide short and to the point. Some experts suggest using the 5/5/5 rule: no more than five words per line of text, five lines of text per slide, or five text-heavy slides in a row.