1) The document discusses the need for curriculum to be accessible and designed for diverse learners, given changes in education like higher standards, accountability, and inclusion of students with disabilities or other needs. 2) It introduces Universal Design for Learning (UDL) as an approach that draws on brain research to create flexible curriculum that meets individual learner needs and maximizes options for students and teachers. 3) UDL principles involve offering multiple means of engagement, representation, and action/expression to reduce barriers and scaffold support for learners based on their needs. Examples of UDL tools and strategies in the classroom are provided.