Free Chalkboard PowerPoint backgrounds is a free PPT template that you can use to make presentations with a chalkboard background.
chalkboard Backgrounds
Chalkboard
Download Chalkboard Presentation PPT Backgrounds. Landscape US Letter size chalkboard that could be used as a background.
School Chalkboard
Download School Chalkboard Presentation backgrounds is a gold and green colors background for presentations with different types of Educational.