Try these I recently found on a random search
PowerPoint Presentation Hack #1. Use Poll Everywhere To Ask Your Audience Questions and Keep Them Engaged – available in all classrooms
PowerPoint Presentation Hack #2. Use Control + B to Make The Presentation Screen Black and Draw Attention Back to You – and see who is paying attention
PowerPoint Presentation Hack #3. Draw On Your Slides In Real Time During Your Presentation with Control + P – or use the display pen located on the display if presenting in the classroom at CAHS
Click this link to see more but one final
Hack #10. Zoom In and Out of Your Slides to Focus on Specific Areas – and I hope to have presenter view installed in all classrooms by fall to make this hack workable!