Designing Your Own Project-Based Learning Unit Explore PBL, why it works, and how to use backwards design to create a PBL unit within your scope and sequence for elementary, middle or high school students. Access samples, tips, and resources to get you started with PBL. Free registration required to view this resource. Register today and receive free access to all our news and resources. Register now. Already a member? Log in Username: Password:  Lost Password? Sponsored by: