The 3 principles of UDL: 1) Question Blank 1 of 3 type your answer... is presenting information and content in various formats for all students to access. 2) Question Blank 2 of 3 type your answer... and expression is allowing multiple ways for students to demonstrate their learning. 3) Question Blank 3 of 3 type your answer... is using students' interests and motivation to learning in various ways